1316290392 has 64 divisors (see below), whose sum is σ = 3755205600. Its totient is φ = 426902400.

The previous prime is 1316290361. The next prime is 1316290439. The reversal of 1316290392 is 2930926131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 74359 + ... + 90342.

Almost surely, 2^1316290392 is an apocalyptic number.

1316290392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1316290392 is an abundant number, since it is smaller than the sum of its proper divisors (2438915208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1316290392 is a wasteful number, since it uses less digits than its factorization.

1316290392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164753 (or 164743 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 1316290392 is about 36280.7165309617. The cubic root of 1316290392 is about 1095.9327462417.

The spelling of 1316290392 in words is "one billion, three hundred sixteen million, two hundred ninety thousand, three hundred ninety-two".