1379980735 has 32 divisors (see below), whose sum is σ = 2024870400. Its totient is φ = 881746560.

The previous prime is 1379980727. The next prime is 1379980751. The reversal of 1379980735 is 5370899731.

It is a happy number.

It is not a de Polignac number, because 1379980735 - 2³ = 1379980727 is a prime.

It is a super-2 number, since 2×1379980735² = 3808693657942280450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23556 + ... + 57574.

It is an arithmetic number, because the mean of its divisors is an integer number (63277200).

Almost surely, 2^1379980735 is an apocalyptic number.

1379980735 is a deficient number, since it is larger than the sum of its proper divisors (644889665).

1379980735 is a wasteful number, since it uses less digits than its factorization.

1379980735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34111.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 1379980735 is about 37148.0919429249. The cubic root of 1379980735 is about 1113.3311007182.

The spelling of 1379980735 in words is "one billion, three hundred seventy-nine million, nine hundred eighty thousand, seven hundred thirty-five".