1613139 has 8 divisors (see below), whose sum is σ = 2346432. Its totient is φ = 977640.

The previous prime is 1613123. The next prime is 1613141. The reversal of 1613139 is 9313161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1613139 - 2⁴ = 1613123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613149) 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 7 ways as a sum of consecutive naturals, for example, 24409 + ... + 24474.

It is an arithmetic number, because the mean of its divisors is an integer number (293304).

2^1613139 is an apocalyptic number.

1613139 is a deficient number, since it is larger than the sum of its proper divisors (733293).

1613139 is a wasteful number, since it uses less digits than its factorization.

1613139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48897.

The product of its digits is 486, while the sum is 24.

The square root of 1613139 is about 1270.0940910027. The cubic root of 1613139 is about 117.2799927212.

The spelling of 1613139 in words is "one million, six hundred thirteen thousand, one hundred thirty-nine".