16131140 has 24 divisors (see below), whose sum is σ = 33956160. Its totient is φ = 6437088.

The previous prime is 16131127. The next prime is 16131169. The reversal of 16131140 is 4113161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11729 + ... + 13031.

It is an arithmetic number, because the mean of its divisors is an integer number (1414840).

Almost surely, 2^16131140 is an apocalyptic number.

16131140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16131140 is an abundant number, since it is smaller than the sum of its proper divisors (17825020).

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

16131140 is a wasteful number, since it uses less digits than its factorization.

16131140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 16131140 is about 4016.3590476948. The cubic root of 16131140 is about 252.6707794768.

The spelling of 16131140 in words is "sixteen million, one hundred thirty-one thousand, one hundred forty".