1349759972 has 24 divisors (see below), whose sum is σ = 2579001600. Its totient is φ = 613006560.

The previous prime is 1349759923. The next prime is 1349759987. The reversal of 1349759972 is 2799579431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42029 + ... + 66827.

It is an arithmetic number, because the mean of its divisors is an integer number (107458400).

Almost surely, 2^1349759972 is an apocalyptic number.

It is an amenable number.

1349759972 is a deficient number, since it is larger than the sum of its proper divisors (1229241628).

1349759972 is a wasteful number, since it uses less digits than its factorization.

1349759972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26051 (or 26049 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 56.

The square root of 1349759972 is about 36739.0796291905. The cubic root of 1349759972 is about 1105.1439441754.

The spelling of 1349759972 in words is "one billion, three hundred forty-nine million, seven hundred fifty-nine thousand, nine hundred seventy-two".