131071507 has 8 divisors (see below), whose sum is σ = 151692800. Its totient is φ = 110924424.

The previous prime is 131071483. The next prime is 131071529. The reversal of 131071507 is 705170131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131071507 - 2¹¹ = 131069459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131071307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117957 + ... + 119062.

It is an arithmetic number, because the mean of its divisors is an integer number (18961600).

Almost surely, 2^131071507 is an apocalyptic number.

131071507 is a deficient number, since it is larger than the sum of its proper divisors (20621293).

131071507 is an equidigital number, since it uses as much as digits as its factorization.

131071507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237105.

The product of its (nonzero) digits is 735, while the sum is 25.

The square root of 131071507 is about 11448.6465138898. The cubic root of 131071507 is about 507.9676997567.

The spelling of 131071507 in words is "one hundred thirty-one million, seventy-one thousand, five hundred seven".