131507673 has 16 divisors (see below), whose sum is σ = 197455872. Its totient is φ = 77130000.

The previous prime is 131507669. The next prime is 131507687. The reversal of 131507673 is 376705131.

It is not a de Polignac number, because 131507673 - 2² = 131507669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (131507603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63253 + ... + 65298.

It is an arithmetic number, because the mean of its divisors is an integer number (12340992).

Almost surely, 2^131507673 is an apocalyptic number.

It is an amenable number.

131507673 is a deficient number, since it is larger than the sum of its proper divisors (65948199).

131507673 is a wasteful number, since it uses less digits than its factorization.

131507673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128596.

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 131507673 is about 11467.6794949981. The cubic root of 131507673 is about 508.5305297689.

The spelling of 131507673 in words is "one hundred thirty-one million, five hundred seven thousand, six hundred seventy-three".