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136430401 = 1031324567
BaseRepresentation
bin10000010000111…
…00001101000001
3100111201101022211
420020130031001
5234411233101
621312102121
73244432162
oct1010341501
9314641284
10136430401
11700141a8
1239834941
132235a663
1414195769
15be9dc51
hex821c341

136430401 has 4 divisors (see below), whose sum is σ = 137755072. Its totient is φ = 135105732.

The previous prime is 136430387. The next prime is 136430407. The reversal of 136430401 is 104034631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136430401 - 227 = 2212673 is a prime.

It is a super-2 number, since 2×1364304012 = 37226508634041602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136430407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662181 + ... + 662386.

It is an arithmetic number, because the mean of its divisors is an integer number (34438768).

Almost surely, 2136430401 is an apocalyptic number.

It is an amenable number.

136430401 is a deficient number, since it is larger than the sum of its proper divisors (1324671).

136430401 is a wasteful number, since it uses less digits than its factorization.

136430401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324670.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 136430401 is about 11680.3425035399. The cubic root of 136430401 is about 514.7982381180.

The spelling of 136430401 in words is "one hundred thirty-six million, four hundred thirty thousand, four hundred one".

Divisors: 1 103 1324567 136430401