131970838 has 16 divisors (see below), whose sum is σ = 201330864. Its totient is φ = 64864800.

The previous prime is 131970809. The next prime is 131970857. The reversal of 131970838 is 838079131.

It is a self number, because there is not a number n which added to its sum of digits gives 131970838.

It is a congruent number.

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, 100788 + ... + 102088.

It is an arithmetic number, because the mean of its divisors is an integer number (12583179).

Almost surely, 2^131970838 is an apocalyptic number.

131970838 is a deficient number, since it is larger than the sum of its proper divisors (69360026).

131970838 is a wasteful number, since it uses less digits than its factorization.

131970838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 131970838 is about 11487.8561098231. The cubic root of 131970838 is about 509.1268386226.

The spelling of 131970838 in words is "one hundred thirty-one million, nine hundred seventy thousand, eight hundred thirty-eight".