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136425 = 35217107
BaseRepresentation
bin100001010011101001
320221010210
4201103221
513331200
62531333
71105512
oct412351
9227123
10136425
1193553
1266b49
134a133
1437a09
152a650
hex214e9

136425 has 24 divisors (see below), whose sum is σ = 241056. Its totient is φ = 67840.

The previous prime is 136421. The next prime is 136429. The reversal of 136425 is 524631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (136421) and next prime (136429).

It is not a de Polignac number, because 136425 - 22 = 136421 is a prime.

It is a super-2 number, since 2×1364252 = 37223561250, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 37 + 4 + 62 + 217 + 55 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136425.

It is not an unprimeable number, because it can be changed into a prime (136421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1222 + ... + 1328.

It is an arithmetic number, because the mean of its divisors is an integer number (10044).

2136425 is an apocalyptic number.

136425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136425 is a deficient number, since it is larger than the sum of its proper divisors (104631).

136425 is a wasteful number, since it uses less digits than its factorization.

136425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 132 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 136425 is about 369.3575503493. The cubic root of 136425 is about 51.4791444759.

It can be divided in two parts, 136 and 425, that added together give a triangular number (561 = T33).

The spelling of 136425 in words is "one hundred thirty-six thousand, four hundred twenty-five".

Divisors: 1 3 5 15 17 25 51 75 85 107 255 321 425 535 1275 1605 1819 2675 5457 8025 9095 27285 45475 136425