1501996139 has 16 divisors (see below), whose sum is σ = 1731072000. Its totient is φ = 1276578144.

The previous prime is 1501996103. The next prime is 1501996141. The reversal of 1501996139 is 9316991051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1501996139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1501996139.

It is not an unprimeable number, because it can be changed into a prime (1501996169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957734 + ... + 959300.

It is an arithmetic number, because the mean of its divisors is an integer number (108192000).

Almost surely, 2^1501996139 is an apocalyptic number.

1501996139 is a deficient number, since it is larger than the sum of its proper divisors (229075861).

1501996139 is a wasteful number, since it uses less digits than its factorization.

1501996139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642.

The product of its (nonzero) digits is 65610, while the sum is 44.

The square root of 1501996139 is about 38755.5949380215. The cubic root of 1501996139 is about 1145.2217971963.

The spelling of 1501996139 in words is "one billion, five hundred one million, nine hundred ninety-six thousand, one hundred thirty-nine".