139361099 has 8 divisors (see below), whose sum is σ = 140376240. Its totient is φ = 138350176.

The previous prime is 139361081. The next prime is 139361111. The reversal of 139361099 is 990163931.

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-139361099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139361039) 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, 92597 + ... + 94089.

It is an arithmetic number, because the mean of its divisors is an integer number (17547030).

Almost surely, 2^139361099 is an apocalyptic number.

139361099 is a deficient number, since it is larger than the sum of its proper divisors (1015141).

139361099 is a wasteful number, since it uses less digits than its factorization.

139361099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109.

The product of its (nonzero) digits is 39366, while the sum is 41.

The square root of 139361099 is about 11805.1301983502. The cubic root of 139361099 is about 518.4583270781.

The spelling of 139361099 in words is "one hundred thirty-nine million, three hundred sixty-one thousand, ninety-nine".