1390575054 has 16 divisors (see below), whose sum is σ = 3033982080. Its totient is φ = 421386360.

The previous prime is 1390575047. The next prime is 1390575073. The reversal of 1390575054 is 4505750931.

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 7 ways as a sum of consecutive naturals, for example, 10534594 + ... + 10534725.

It is an arithmetic number, because the mean of its divisors is an integer number (189623880).

Almost surely, 2^1390575054 is an apocalyptic number.

1390575054 is an abundant number, since it is smaller than the sum of its proper divisors (1643407026).

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

1390575054 is a wasteful number, since it uses less digits than its factorization.

1390575054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21069335.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 1390575054 is about 37290.4150419381. The cubic root of 1390575054 is about 1116.1729106705.

The spelling of 1390575054 in words is "one billion, three hundred ninety million, five hundred seventy-five thousand, fifty-four".