131377500 has 90 divisors (see below), whose sum is σ = 415054640. Its totient is φ = 35028000.

The previous prime is 131377429. The next prime is 131377501. The reversal of 131377500 is 5773131.

It is a tau number, because it is divible by the number of its divisors (90).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131377501) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 19581 + ... + 25419.

Almost surely, 2^131377500 is an apocalyptic number.

131377500 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 131377500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207527320).

131377500 is an abundant number, since it is smaller than the sum of its proper divisors (283677140).

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

131377500 is a wasteful number, since it uses less digits than its factorization.

131377500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5869 (or 5849 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 131377500 is about 11462.0024428544. The cubic root of 131377500 is about 508.3626845604.

The spelling of 131377500 in words is "one hundred thirty-one million, three hundred seventy-seven thousand, five hundred".