1335649139 has 8 divisors (see below), whose sum is σ = 1481768640. Its totient is φ = 1193645800.

The previous prime is 1335649127. The next prime is 1335649181. The reversal of 1335649139 is 9319465331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1335649139 is a prime.

It is a super-2 number, since 2×1335649139² = 3567917245022882642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1335649139.

It is not an unprimeable number, because it can be changed into a prime (1335649109) 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, 1028357 + ... + 1029654.

It is an arithmetic number, because the mean of its divisors is an integer number (185221080).

Almost surely, 2^1335649139 is an apocalyptic number.

1335649139 is a deficient number, since it is larger than the sum of its proper divisors (146119501).

1335649139 is a wasteful number, since it uses less digits than its factorization.

1335649139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058081.

The product of its digits is 262440, while the sum is 44.

The square root of 1335649139 is about 36546.5338848980. The cubic root of 1335649139 is about 1101.2792662214.

The spelling of 1335649139 in words is "one billion, three hundred thirty-five million, six hundred forty-nine thousand, one hundred thirty-nine".