131138800 has 60 divisors (see below), whose sum is σ = 339309880. Its totient is φ = 48418560.

The previous prime is 131138771. The next prime is 131138851. The reversal of 131138800 is 8831131.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7410 + ... + 17809.

Almost surely, 2^131138800 is an apocalyptic number.

131138800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131138800 is an abundant number, since it is smaller than the sum of its proper divisors (208171080).

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

131138800 is a wasteful number, since it uses less digits than its factorization.

131138800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25250 (or 25239 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 131138800 is about 11451.5850431283. The cubic root of 131138800 is about 508.0546162371.

Adding to 131138800 its reverse (8831131), we get a palindrome (139969931).

The spelling of 131138800 in words is "one hundred thirty-one million, one hundred thirty-eight thousand, eight hundred".