131435534153554 has 4 divisors (see below), whose sum is σ = 197153301230334. Its totient is φ = 65717767076776.

The previous prime is 131435534153387. The next prime is 131435534153593. The reversal of 131435534153554 is 455351435534131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73799696955625 + 57635837197929 = 8590675^2 + 7591827^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32858883538387 + ... + 32858883538390.

Almost surely, 2^{131435534153554} is an apocalyptic number.

131435534153554 is a deficient number, since it is larger than the sum of its proper divisors (65717767076780).

131435534153554 is an equidigital number, since it uses as much as digits as its factorization.

131435534153554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65717767076779.

The product of its digits is 16200000, while the sum is 52.

Adding to 131435534153554 its reverse (455351435534131), we get a palindrome (586786969687685).

The spelling of 131435534153554 in words is "one hundred thirty-one trillion, four hundred thirty-five billion, five hundred thirty-four million, one hundred fifty-three thousand, five hundred fifty-four".