131155434054 has 48 divisors (see below), whose sum is σ = 289523804544. Its totient is φ = 42902496000.

The previous prime is 131155434049. The next prime is 131155434101. The reversal of 131155434054 is 450434551131.

131155434054 is a `hidden beast` number, since 1 + 3 + 11 + 554 + 3 + 40 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113782 + ... + 524649.

It is an arithmetic number, because the mean of its divisors is an integer number (6031745928).

Almost surely, 2^131155434054 is an apocalyptic number.

131155434054 is an abundant number, since it is smaller than the sum of its proper divisors (158368370490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131155434054 is a wasteful number, since it uses less digits than its factorization.

131155434054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638653 (or 638650 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 131155434054 its reverse (450434551131), we get a palindrome (581589985185).

The spelling of 131155434054 in words is "one hundred thirty-one billion, one hundred fifty-five million, four hundred thirty-four thousand, fifty-four".