131367400 has 48 divisors (see below), whose sum is σ = 306191340. Its totient is φ = 52416000.

The previous prime is 131367373. The next prime is 131367407. The reversal of 131367400 is 4763131.

It can be written as a sum of positive squares in 6 ways, for example, as 38167684 + 93199716 = 6178^2 + 9654^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131367407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139732 + ... + 140668.

Almost surely, 2^131367400 is an apocalyptic number.

131367400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131367400 is an abundant number, since it is smaller than the sum of its proper divisors (174823940).

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

131367400 is a wasteful number, since it uses less digits than its factorization.

131367400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 131367400 is about 11461.5618481950. The cubic root of 131367400 is about 508.3496569753.

The spelling of 131367400 in words is "one hundred thirty-one million, three hundred sixty-seven thousand, four hundred".