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136418943 = 3179254039
BaseRepresentation
bin10000010000110…
…01011001111111
3100111200210121110
420020121121333
5234410401233
621311533103
73244353603
oct1010313177
9314623543
10136418943
1170006631
123982a193
132235538b
1414191503
15be9a663
hex821967f

136418943 has 8 divisors (see below), whose sum is σ = 182908800. Its totient is φ = 90437528.

The previous prime is 136418939. The next prime is 136418951. The reversal of 136418943 is 349814631.

136418943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136418943 - 22 = 136418939 is a prime.

It is a super-2 number, since 2×1364189432 = 37220256018474498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136418743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126483 + ... + 127556.

It is an arithmetic number, because the mean of its divisors is an integer number (22863600).

Almost surely, 2136418943 is an apocalyptic number.

136418943 is a deficient number, since it is larger than the sum of its proper divisors (46489857).

136418943 is a wasteful number, since it uses less digits than its factorization.

136418943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254221.

The product of its digits is 62208, while the sum is 39.

The square root of 136418943 is about 11679.8520110488. The cubic root of 136418943 is about 514.7838260728.

The spelling of 136418943 in words is "one hundred thirty-six million, four hundred eighteen thousand, nine hundred forty-three".

Divisors: 1 3 179 537 254039 762117 45472981 136418943