6131900 has 36 divisors (see below), whose sum is σ = 14092848. Its totient is φ = 2307840.

The previous prime is 6131891. The next prime is 6131911. The reversal of 6131900 is 91316.

It is a super-2 number, since 2×6131900² = 75200395220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 104 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (391468).

Almost surely, 2^6131900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6131900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7046424).

6131900 is an abundant number, since it is smaller than the sum of its proper divisors (7960948).

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

6131900 is a wasteful number, since it uses less digits than its factorization.

6131900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638 (or 3631 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 6131900 is about 2476.2673522865. The cubic root of 6131900 is about 183.0339650494.

The spelling of 6131900 in words is "six million, one hundred thirty-one thousand, nine hundred".