131255357906 has 8 divisors (see below), whose sum is σ = 196922342064. Its totient is φ = 65614577220.

The previous prime is 131255357903. The next prime is 131255357921. The reversal of 131255357906 is 609753552131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131255357903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6538340 + ... + 6558383.

It is an arithmetic number, because the mean of its divisors is an integer number (24615292758).

Almost surely, 2^131255357906 is an apocalyptic number.

131255357906 is a deficient number, since it is larger than the sum of its proper divisors (65666984158).

131255357906 is a wasteful number, since it uses less digits than its factorization.

131255357906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13101736.

The product of its (nonzero) digits is 850500, while the sum is 47.

The spelling of 131255357906 in words is "one hundred thirty-one billion, two hundred fifty-five million, three hundred fifty-seven thousand, nine hundred six".