131507027746 has 4 divisors (see below), whose sum is σ = 197260541622. Its totient is φ = 65753513872.

The previous prime is 131507027713. The next prime is 131507027761. The reversal of 131507027746 is 647720705131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111973890625 + 19533137121 = 334625^2 + 139761^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32876756935 + ... + 32876756938.

Almost surely, 2^131507027746 is an apocalyptic number.

131507027746 is a deficient number, since it is larger than the sum of its proper divisors (65753513876).

131507027746 is an equidigital number, since it uses as much as digits as its factorization.

131507027746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65753513875.

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 131507027746 in words is "one hundred thirty-one billion, five hundred seven million, twenty-seven thousand, seven hundred forty-six".