131994825514 has 4 divisors (see below), whose sum is σ = 197992238274. Its totient is φ = 65997412756.

The previous prime is 131994825493. The next prime is 131994825527. The reversal of 131994825514 is 415528499131.

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., 78409520289 + 53585305225 = 280017^2 + 231485^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 32998706377 + ... + 32998706380.

Almost surely, 2^131994825514 is an apocalyptic number.

131994825514 is a deficient number, since it is larger than the sum of its proper divisors (65997412760).

131994825514 is an equidigital number, since it uses as much as digits as its factorization.

131994825514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65997412759.

The product of its digits is 1555200, while the sum is 52.

The spelling of 131994825514 in words is "one hundred thirty-one billion, nine hundred ninety-four million, eight hundred twenty-five thousand, five hundred fourteen".