1390461375 has 32 divisors (see below), whose sum is σ = 2336256000. Its totient is φ = 734359200.

The previous prime is 1390461337. The next prime is 1390461403. The reversal of 1390461375 is 5731640931.

It is not a de Polignac number, because 1390461375 - 2⁶ = 1390461311 is a prime.

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, 20626 + ... + 56624.

It is an arithmetic number, because the mean of its divisors is an integer number (73008000).

Almost surely, 2^1390461375 is an apocalyptic number.

1390461375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1390461375 is a deficient number, since it is larger than the sum of its proper divisors (945794625).

1390461375 is a wasteful number, since it uses less digits than its factorization.

1390461375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36120 (or 36110 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 1390461375 is about 37288.8907719176. The cubic root of 1390461375 is about 1116.1424942664.

The spelling of 1390461375 in words is "one billion, three hundred ninety million, four hundred sixty-one thousand, three hundred seventy-five".