1358375856 has 80 divisors (see below), whose sum is σ = 3637767168. Its totient is φ = 436320000.

The previous prime is 1358375833. The next prime is 1358375927. The reversal of 1358375856 is 6585738531.

It is a junction number, because it is equal to n+sod(n) for n = 1358375799 and 1358375808.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371670 + ... + 375306.

Almost surely, 2^1358375856 is an apocalyptic number.

1358375856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1358375856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818883584).

1358375856 is an abundant number, since it is smaller than the sum of its proper divisors (2279391312).

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

1358375856 is a wasteful number, since it uses less digits than its factorization.

1358375856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930 (or 3924 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 51.

The square root of 1358375856 is about 36856.1508570822. The cubic root of 1358375856 is about 1107.4904363188.

The spelling of 1358375856 in words is "one billion, three hundred fifty-eight million, three hundred seventy-five thousand, eight hundred fifty-six".