1604113139 has 8 divisors (see below), whose sum is σ = 1612316160. Its totient is φ = 1595925000.

The previous prime is 1604113123. The next prime is 1604113187. The reversal of 1604113139 is 9313114061.

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

It is a cyclic number.

It is not a de Polignac number, because 1604113139 - 2⁴ = 1604113123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1604113109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257714 + ... + 263864.

It is an arithmetic number, because the mean of its divisors is an integer number (201539520).

Almost surely, 2^1604113139 is an apocalyptic number.

1604113139 is a deficient number, since it is larger than the sum of its proper divisors (8203021).

1604113139 is a wasteful number, since it uses less digits than its factorization.

1604113139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7441.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1604113139 is about 40051.3812371059. The cubic root of 1604113139 is about 1170.6084786350.

The spelling of 1604113139 in words is "one billion, six hundred four million, one hundred thirteen thousand, one hundred thirty-nine".