131402055537 has 12 divisors (see below), whose sum is σ = 191482642884. Its totient is φ = 86826136320.

The previous prime is 131402055523. The next prime is 131402055541. The reversal of 131402055537 is 735550204131.

131402055537 is a `hidden beast` number, since 1 + 31 + 40 + 2 + 0 + 55 + 537 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 65412666081 + 65989389456 = 255759^2 + 256884^2 .

It is not a de Polignac number, because 131402055537 - 2¹⁰ = 131402054513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131402055517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64601764 + ... + 64603797.

It is an arithmetic number, because the mean of its divisors is an integer number (15956886907).

Almost surely, 2^131402055537 is an apocalyptic number.

It is an amenable number.

131402055537 is a deficient number, since it is larger than the sum of its proper divisors (60080587347).

131402055537 is a wasteful number, since it uses less digits than its factorization.

131402055537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129205680 (or 129205677 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

Adding to 131402055537 its reverse (735550204131), we get a palindrome (866952259668).

The spelling of 131402055537 in words is "one hundred thirty-one billion, four hundred two million, fifty-five thousand, five hundred thirty-seven".