131495800 has 96 divisors (see below), whose sum is σ = 319979520. Its totient is φ = 50198400.

The previous prime is 131495797. The next prime is 131495813. The reversal of 131495800 is 8594131.

It is a super-2 number, since 2×131495800² = 34582290835280000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 787317 + ... + 787483.

It is an arithmetic number, because the mean of its divisors is an integer number (3333120).

Almost surely, 2^131495800 is an apocalyptic number.

131495800 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 131495800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159989760).

131495800 is an abundant number, since it is smaller than the sum of its proper divisors (188483720).

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

131495800 is a wasteful number, since it uses less digits than its factorization.

131495800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 131495800 is about 11467.1618110150. The cubic root of 131495800 is about 508.5152253015.

The spelling of 131495800 in words is "one hundred thirty-one million, four hundred ninety-five thousand, eight hundred".