131336252400 has 60 divisors (see below), whose sum is σ = 420713799032. Its totient is φ = 35023000320.

The previous prime is 131336252371. The next prime is 131336252401. The reversal of 131336252400 is 4252633131.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×131336252400² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131336252401) 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, 54722239 + ... + 54724638.

Almost surely, 2^131336252400 is an apocalyptic number.

131336252400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131336252400 is an abundant number, since it is smaller than the sum of its proper divisors (289377546632).

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

131336252400 is a wasteful number, since it uses less digits than its factorization.

131336252400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109446898 (or 109446887 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 131336252400 its reverse (4252633131), we get a palindrome (135588885531).

The spelling of 131336252400 in words is "one hundred thirty-one billion, three hundred thirty-six million, two hundred fifty-two thousand, four hundred".