131403400534555 has 32 divisors (see below), whose sum is σ = 162582497965440. Its totient is φ = 101920303779840.

The previous prime is 131403400534531. The next prime is 131403400534561. The reversal of 131403400534555 is 555435004304131.

It is not a de Polignac number, because 131403400534555 - 2¹⁵ = 131403400501787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6746520 + ... + 17559109.

It is an arithmetic number, because the mean of its divisors is an integer number (5080703061420).

Almost surely, 2^{131403400534555} is an apocalyptic number.

131403400534555 is a deficient number, since it is larger than the sum of its proper divisors (31179097430885).

131403400534555 is a wasteful number, since it uses less digits than its factorization.

131403400534555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24305959.

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 131403400534555 its reverse (555435004304131), we get a palindrome (686838404838686).

The spelling of 131403400534555 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred million, five hundred thirty-four thousand, five hundred fifty-five".