136431275 has 12 divisors (see below), whose sum is σ = 172368432. Its totient is φ = 107084640.

The previous prime is 136431259. The next prime is 136431287. The reversal of 136431275 is 572134631.

It is not a de Polignac number, because 136431275 - 2⁴ = 136431259 is a prime.

It is a super-2 number, since 2×136431275² = 37226985596251250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50159 + ... + 52808.

It is an arithmetic number, because the mean of its divisors is an integer number (14364036).

Almost surely, 2^136431275 is an apocalyptic number.

136431275 is a deficient number, since it is larger than the sum of its proper divisors (35937157).

136431275 is a wasteful number, since it uses less digits than its factorization.

136431275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103030 (or 103025 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 136431275 is about 11680.3799167664. The cubic root of 136431275 is about 514.7993374153.

The spelling of 136431275 in words is "one hundred thirty-six million, four hundred thirty-one thousand, two hundred seventy-five".