139479411 has 16 divisors (see below), whose sum is σ = 190874880. Its totient is φ = 90561120.

The previous prime is 139479397. The next prime is 139479413. The reversal of 139479411 is 114974931.

It is not a de Polignac number, because 139479411 - 2¹¹ = 139477363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139479411.

It is not an unprimeable number, because it can be changed into a prime (139479413) 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 15 ways as a sum of consecutive naturals, for example, 18946 + ... + 25256.

It is an arithmetic number, because the mean of its divisors is an integer number (11929680).

Almost surely, 2^139479411 is an apocalyptic number.

139479411 is a deficient number, since it is larger than the sum of its proper divisors (51395469).

139479411 is a wasteful number, since it uses less digits than its factorization.

139479411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506.

The product of its digits is 27216, while the sum is 39.

The square root of 139479411 is about 11810.1401769835. The cubic root of 139479411 is about 518.6050023743.

The spelling of 139479411 in words is "one hundred thirty-nine million, four hundred seventy-nine thousand, four hundred eleven".