131956435 has 8 divisors (see below), whose sum is σ = 170528400. Its totient is φ = 97444704.

The previous prime is 131956427. The next prime is 131956457. The reversal of 131956435 is 534659131.

It is a happy number.

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 131956435 - 2³ = 131956427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131956394 and 131956403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014985 + ... + 1015114.

It is an arithmetic number, because the mean of its divisors is an integer number (21316050).

Almost surely, 2^131956435 is an apocalyptic number.

131956435 is a deficient number, since it is larger than the sum of its proper divisors (38571965).

131956435 is a wasteful number, since it uses less digits than its factorization.

131956435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030117.

The product of its digits is 48600, while the sum is 37.

The square root of 131956435 is about 11487.2292133482. The cubic root of 131956435 is about 509.1083162966.

The spelling of 131956435 in words is "one hundred thirty-one million, nine hundred fifty-six thousand, four hundred thirty-five".