1375214790 has 32 divisors (see below), whose sum is σ = 3305274336. Its totient is φ = 366195200.

The previous prime is 1375214761. The next prime is 1375214821. The reversal of 1375214790 is 974125731.

It is a Curzon number.

It is a congruent number.

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, 11667 + ... + 53726.

It is an arithmetic number, because the mean of its divisors is an integer number (103289823).

Almost surely, 2^1375214790 is an apocalyptic number.

1375214790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375214790 is an abundant number, since it is smaller than the sum of its proper divisors (1930059546).

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

1375214790 is a wasteful number, since it uses less digits than its factorization.

1375214790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66104.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 1375214790 is about 37083.8885501507. Note that the first 3 decimals coincide. The cubic root of 1375214790 is about 1112.0479439286.

It can be divided in two parts, 137521 and 4790, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 1375214790 in words is "one billion, three hundred seventy-five million, two hundred fourteen thousand, seven hundred ninety".