1398773152 has 48 divisors (see below), whose sum is σ = 3284088192. Its totient is φ = 573408000.

The previous prime is 1398773149. The next prime is 1398773161. The reversal of 1398773152 is 2513778931.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 130599 + ... + 140902.

It is an arithmetic number, because the mean of its divisors is an integer number (68418504).

Almost surely, 2^1398773152 is an apocalyptic number.

It is an amenable number.

1398773152 is an abundant number, since it is smaller than the sum of its proper divisors (1885315040).

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

1398773152 is a wasteful number, since it uses less digits than its factorization.

1398773152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271541 (or 271533 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 1398773152 is about 37400.1758284637. The cubic root of 1398773152 is about 1118.3620700834.

The spelling of 1398773152 in words is "one billion, three hundred ninety-eight million, seven hundred seventy-three thousand, one hundred fifty-two".