7132131930778 has 4 divisors (see below), whose sum is σ = 10698197896170. Its totient is φ = 3566065965388.

The previous prime is 7132131930719. The next prime is 7132131930811. The reversal of 7132131930778 is 8770391312317.

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., 6403971788449 + 728160142329 = 2530607^2 + 853323^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1783032982693 + ... + 1783032982696.

Almost surely, 2^{7132131930778} is an apocalyptic number.

7132131930778 is a deficient number, since it is larger than the sum of its proper divisors (3566065965392).

7132131930778 is a wasteful number, since it uses less digits than its factorization.

7132131930778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566065965391.

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 7132131930778 in words is "seven trillion, one hundred thirty-two billion, one hundred thirty-one million, nine hundred thirty thousand, seven hundred seventy-eight".