131402700 has 216 divisors, whose sum is σ = 484354416. Its totient is φ = 29376000.

The previous prime is 131402693. The next prime is 131402731. The reversal of 131402700 is 7204131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 128190 + ... + 129210.

Almost surely, 2^131402700 is an apocalyptic number.

131402700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131402700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242177208).

131402700 is an abundant number, since it is smaller than the sum of its proper divisors (352951716).

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

131402700 is a wasteful number, since it uses less digits than its factorization.

131402700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 131402700 is about 11463.1016745033. The cubic root of 131402700 is about 508.3951861193.

Adding to 131402700 its reverse (7204131), we get a palindrome (138606831).

The spelling of 131402700 in words is "one hundred thirty-one million, four hundred two thousand, seven hundred".