131373750 has 80 divisors (see below), whose sum is σ = 335030256. Its totient is φ = 34320000.

The previous prime is 131373731. The next prime is 131373757. The reversal of 131373750 is 57373131.

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 (131373757) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 198420 + ... + 199080.

Almost surely, 2^131373750 is an apocalyptic number.

131373750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131373750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167515128).

131373750 is an abundant number, since it is smaller than the sum of its proper divisors (203656506).

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

131373750 is an equidigital number, since it uses as much as digits as its factorization.

131373750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 30.

The square root of 131373750 is about 11461.8388577052. The cubic root of 131373750 is about 508.3578476637.

The spelling of 131373750 in words is "one hundred thirty-one million, three hundred seventy-three thousand, seven hundred fifty".