131007239 has 16 divisors (see below), whose sum is σ = 148331520. Its totient is φ = 114612960.

The previous prime is 131007229. The next prime is 131007277. The reversal of 131007239 is 932700131.

It is not a de Polignac number, because 131007239 - 2⁸ = 131006983 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131007229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147254 + ... + 148140.

It is an arithmetic number, because the mean of its divisors is an integer number (9270720).

Almost surely, 2^131007239 is an apocalyptic number.

131007239 is a deficient number, since it is larger than the sum of its proper divisors (17324281).

131007239 is a wasteful number, since it uses less digits than its factorization.

131007239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 131007239 is about 11445.8393750742. The cubic root of 131007239 is about 507.8846626266.

The spelling of 131007239 in words is "one hundred thirty-one million, seven thousand, two hundred thirty-nine".