1313881400158 has 4 divisors (see below), whose sum is σ = 1970822100240. Its totient is φ = 656940700078.

The previous prime is 1313881400149. The next prime is 1313881400219. The reversal of 1313881400158 is 8510041883131.

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

It is a super-2 number, since 2×1313881400158² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328470350038 + ... + 328470350041.

It is an arithmetic number, because the mean of its divisors is an integer number (492705525060).

Almost surely, 2^{1313881400158} is an apocalyptic number.

1313881400158 is a deficient number, since it is larger than the sum of its proper divisors (656940700082).

1313881400158 is an equidigital number, since it uses as much as digits as its factorization.

1313881400158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656940700081.

The product of its (nonzero) digits is 92160, while the sum is 43.

The spelling of 1313881400158 in words is "one trillion, three hundred thirteen billion, eight hundred eighty-one million, four hundred thousand, one hundred fifty-eight".