131373057261 has 8 divisors (see below), whose sum is σ = 175170018240. Its totient is φ = 87579067232.

The previous prime is 131373057229. The next prime is 131373057289. The reversal of 131373057261 is 162750373131.

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 131373057261 - 2⁵ = 131373057229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131373057161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637425 + ... + 817958.

It is an arithmetic number, because the mean of its divisors is an integer number (21896252280).

Almost surely, 2^131373057261 is an apocalyptic number.

It is an amenable number.

131373057261 is a deficient number, since it is larger than the sum of its proper divisors (43796960979).

131373057261 is a wasteful number, since it uses less digits than its factorization.

131373057261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485475.

The product of its (nonzero) digits is 79380, while the sum is 39.

The spelling of 131373057261 in words is "one hundred thirty-one billion, three hundred seventy-three million, fifty-seven thousand, two hundred sixty-one".