1390050608 has 20 divisors (see below), whose sum is σ = 2733422520. Its totient is φ = 684651264.

The previous prime is 1390050601. The next prime is 1390050619. The reversal of 1390050608 is 8060500931.

It is not an unprimeable number, because it can be changed into a prime (1390050601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647273 + ... + 649416.

It is an arithmetic number, because the mean of its divisors is an integer number (136671126).

Almost surely, 2^1390050608 is an apocalyptic number.

It is an amenable number.

1390050608 is a deficient number, since it is larger than the sum of its proper divisors (1343371912).

1390050608 is a wasteful number, since it uses less digits than its factorization.

1390050608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296764 (or 1296758 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1390050608 is about 37283.3824645780. The cubic root of 1390050608 is about 1116.0325739990.

The spelling of 1390050608 in words is "one billion, three hundred ninety million, fifty thousand, six hundred eight".