1490139 has 36 divisors (see below), whose sum is σ = 2608320. Its totient is φ = 816480.

The previous prime is 1490129. The next prime is 1490161. The reversal of 1490139 is 9310941.

It is not a de Polignac number, because 1490139 - 2⁷ = 1490011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490119) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13617 + ... + 13725.

2^1490139 is an apocalyptic number.

1490139 is a deficient number, since it is larger than the sum of its proper divisors (1118181).

1490139 is a wasteful number, since it uses less digits than its factorization.

1490139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1490139 is about 1220.7124968640. The cubic root of 1490139 is about 114.2200275061.

The spelling of 1490139 in words is "one million, four hundred ninety thousand, one hundred thirty-nine".