131637207 has 16 divisors (see below), whose sum is σ = 192119648. Its totient is φ = 79678080.

The previous prime is 131637197. The next prime is 131637221. The reversal of 131637207 is 702736131.

It is not a de Polignac number, because 131637207 - 2⁸ = 131636951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131637277) 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 15 ways as a sum of consecutive naturals, for example, 25288 + ... + 30045.

It is an arithmetic number, because the mean of its divisors is an integer number (12007478).

Almost surely, 2^131637207 is an apocalyptic number.

131637207 is a deficient number, since it is larger than the sum of its proper divisors (60482441).

131637207 is a wasteful number, since it uses less digits than its factorization.

131637207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55410.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 131637207 is about 11473.3258909525. The cubic root of 131637207 is about 508.6974411391.

The spelling of 131637207 in words is "one hundred thirty-one million, six hundred thirty-seven thousand, two hundred seven".