131626005002 has 4 divisors (see below), whose sum is σ = 197439007506. Its totient is φ = 65813002500.

The previous prime is 131626005001. The next prime is 131626005023. The reversal of 131626005002 is 200500626131.

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., 74895816241 + 56730188761 = 273671^2 + 238181^2 .

It is not an unprimeable number, because it can be changed into a prime (131626005001) 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 as a sum of consecutive naturals, namely, 32906501249 + ... + 32906501252.

Almost surely, 2^131626005002 is an apocalyptic number.

131626005002 is a deficient number, since it is larger than the sum of its proper divisors (65813002504).

131626005002 is an equidigital number, since it uses as much as digits as its factorization.

131626005002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65813002503.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 131626005002 in words is "one hundred thirty-one billion, six hundred twenty-six million, five thousand, two".