1499139 has 6 divisors (see below), whose sum is σ = 2165436. Its totient is φ = 999420.

The previous prime is 1499123. The next prime is 1499149. The reversal of 1499139 is 9319941.

It is not a de Polignac number, because 1499139 - 2⁴ = 1499123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1499149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83277 + ... + 83294.

It is an arithmetic number, because the mean of its divisors is an integer number (360906).

2^1499139 is an apocalyptic number.

1499139 is a deficient number, since it is larger than the sum of its proper divisors (666297).

1499139 is a wasteful number, since it uses less digits than its factorization.

1499139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166577 (or 166574 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 1499139 is about 1224.3933191585. The cubic root of 1499139 is about 114.4495178642.

The spelling of 1499139 in words is "one million, four hundred ninety-nine thousand, one hundred thirty-nine".