1390136 has 16 divisors (see below), whose sum is σ = 2843640. Its totient is φ = 631840.

The previous prime is 1390121. The next prime is 1390157. The reversal of 1390136 is 6310931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7811 + ... + 7986.

2^1390136 is an apocalyptic number.

It is an amenable number.

1390136 is an abundant number, since it is smaller than the sum of its proper divisors (1453504).

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

1390136 is a wasteful number, since it uses less digits than its factorization.

1390136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15814 (or 15810 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1390136 is about 1179.0402876916. The cubic root of 1390136 is about 111.6055426477.

The spelling of 1390136 in words is "one million, three hundred ninety thousand, one hundred thirty-six".