139935499 has 8 divisors (see below), whose sum is σ = 153772848. Its totient is φ = 126284160.

The previous prime is 139935493. The next prime is 139935511. The reversal of 139935499 is 994539931.

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

It is a cyclic number.

It is not a de Polignac number, because 139935499 - 2⁹ = 139934987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139935493) 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, 44922 + ... + 47935.

It is an arithmetic number, because the mean of its divisors is an integer number (19221606).

Almost surely, 2^139935499 is an apocalyptic number.

139935499 is a deficient number, since it is larger than the sum of its proper divisors (13837349).

139935499 is a wasteful number, since it uses less digits than its factorization.

139935499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93005.

The product of its digits is 1180980, while the sum is 52.

The square root of 139935499 is about 11829.4335874546. The cubic root of 139935499 is about 519.1696548255.

The spelling of 139935499 in words is "one hundred thirty-nine million, nine hundred thirty-five thousand, four hundred ninety-nine".