139149119 has 16 divisors (see below), whose sum is σ = 145951008. Its totient is φ = 132544512.

The previous prime is 139149091. The next prime is 139149139. The reversal of 139149119 is 911941931.

It is a cyclic number.

It is not a de Polignac number, because 139149119 - 2¹² = 139145023 is a prime.

It is a super-2 number, since 2×139149119² = 38724954636952322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139149139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491552 + ... + 491834.

It is an arithmetic number, because the mean of its divisors is an integer number (9121938).

Almost surely, 2^139149119 is an apocalyptic number.

139149119 is a deficient number, since it is larger than the sum of its proper divisors (6801889).

139149119 is a wasteful number, since it uses less digits than its factorization.

139149119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its digits is 8748, while the sum is 38.

The square root of 139149119 is about 11796.1484816020. The cubic root of 139149119 is about 518.1953207157.

The spelling of 139149119 in words is "one hundred thirty-nine million, one hundred forty-nine thousand, one hundred nineteen".