131852434 has 24 divisors (see below), whose sum is σ = 230716620. Its totient is φ = 56349216.

The previous prime is 131852431. The next prime is 131852477. The reversal of 131852434 is 434258131.

It can be written as a sum of positive squares in 2 ways, for example, as 112466025 + 19386409 = 10605^2 + 4403^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131852396 and 131852405.

It is not an unprimeable number, because it can be changed into a prime (131852431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37212 + ... + 40600.

Almost surely, 2^131852434 is an apocalyptic number.

131852434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131852434 is a deficient number, since it is larger than the sum of its proper divisors (98864186).

131852434 is a wasteful number, since it uses less digits than its factorization.

131852434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802 (or 3795 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 131852434 is about 11482.7015114040. The cubic root of 131852434 is about 508.9745305001.

The spelling of 131852434 in words is "one hundred thirty-one million, eight hundred fifty-two thousand, four hundred thirty-four".