131380435 has 4 divisors (see below), whose sum is σ = 157656528. Its totient is φ = 105104344.

The previous prime is 131380409. The next prime is 131380489. The reversal of 131380435 is 534083131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131380435 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13138039 + ... + 13138048.

It is an arithmetic number, because the mean of its divisors is an integer number (39414132).

Almost surely, 2^131380435 is an apocalyptic number.

131380435 is a deficient number, since it is larger than the sum of its proper divisors (26276093).

131380435 is an equidigital number, since it uses as much as digits as its factorization.

131380435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26276092.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 131380435 is about 11462.1304738692. The cubic root of 131380435 is about 508.3664701741.

The spelling of 131380435 in words is "one hundred thirty-one million, three hundred eighty thousand, four hundred thirty-five".