1390137 has 16 divisors (see below), whose sum is σ = 2160000. Its totient is φ = 778752.

The previous prime is 1390121. The next prime is 1390157. The reversal of 1390137 is 7310931.

It is not a de Polignac number, because 1390137 - 2⁴ = 1390121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1390117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489 + ... + 1737.

It is an arithmetic number, because the mean of its divisors is an integer number (135000).

2^1390137 is an apocalyptic number.

It is an amenable number.

1390137 is a deficient number, since it is larger than the sum of its proper divisors (769863).

1390137 is a wasteful number, since it uses less digits than its factorization.

1390137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312.

The product of its (nonzero) digits is 567, while the sum is 24.

The square root of 1390137 is about 1179.0407117653. The cubic root of 1390137 is about 111.6055694090.

The spelling of 1390137 in words is "one million, three hundred ninety thousand, one hundred thirty-seven".