131057740 has 24 divisors (see below), whose sum is σ = 300241872. Its totient is φ = 47657280.

The previous prime is 131057713. The next prime is 131057741. The reversal of 131057740 is 47750131.

It is a super-2 number, since 2×131057740² = 34352262427815200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131057699 and 131057708.

It is not an unprimeable number, because it can be changed into a prime (131057741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297639 + ... + 298078.

It is an arithmetic number, because the mean of its divisors is an integer number (12510078).

Almost surely, 2^131057740 is an apocalyptic number.

131057740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131057740 is an abundant number, since it is smaller than the sum of its proper divisors (169184132).

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

131057740 is a wasteful number, since it uses less digits than its factorization.

131057740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595737 (or 595735 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 131057740 is about 11448.0452479888. The cubic root of 131057740 is about 507.9499144619.

The spelling of 131057740 in words is "one hundred thirty-one million, fifty-seven thousand, seven hundred forty".