131507825240 has 32 divisors (see below), whose sum is σ = 322791935760. Its totient is φ = 47821027200.

The previous prime is 131507825219. The next prime is 131507825243. The reversal of 131507825240 is 42528705131.

It is a junction number, because it is equal to n+sod(n) for n = 131507825194 and 131507825203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131507825243) 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, 149440271 + ... + 149441150.

Almost surely, 2^131507825240 is an apocalyptic number.

131507825240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131507825240 is an abundant number, since it is smaller than the sum of its proper divisors (191284110520).

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

131507825240 is a wasteful number, since it uses less digits than its factorization.

131507825240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298881443 (or 298881439 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 131507825240 in words is "one hundred thirty-one billion, five hundred seven million, eight hundred twenty-five thousand, two hundred forty".