131297533754 has 16 divisors (see below), whose sum is σ = 197097650568. Its totient is φ = 65598341952.

The previous prime is 131297533739. The next prime is 131297533837. The reversal of 131297533754 is 457335792131.

It can be written as a sum of positive squares in 4 ways, for example, as 70301871025 + 60995662729 = 265145^2 + 246973^2 .

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, 23060132 + ... + 23065824.

Almost surely, 2^131297533754 is an apocalyptic number.

131297533754 is a deficient number, since it is larger than the sum of its proper divisors (65800116814).

131297533754 is a wasteful number, since it uses less digits than its factorization.

131297533754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12529.

The product of its digits is 2381400, while the sum is 50.

The spelling of 131297533754 in words is "one hundred thirty-one billion, two hundred ninety-seven million, five hundred thirty-three thousand, seven hundred fifty-four".