139474833 has 8 divisors (see below), whose sum is σ = 192379200. Its totient is φ = 89776848.

The previous prime is 139474813. The next prime is 139474847. The reversal of 139474833 is 338474931.

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

It is not a de Polignac number, because 139474833 - 2¹⁷ = 139343761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139474813) 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 7 ways as a sum of consecutive naturals, for example, 801493 + ... + 801666.

It is an arithmetic number, because the mean of its divisors is an integer number (24047400).

Almost surely, 2^139474833 is an apocalyptic number.

It is an amenable number.

139474833 is a deficient number, since it is larger than the sum of its proper divisors (52904367).

139474833 is a wasteful number, since it uses less digits than its factorization.

139474833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603191.

The product of its digits is 217728, while the sum is 42.

The square root of 139474833 is about 11809.9463588960. The cubic root of 139474833 is about 518.5993284194.

The spelling of 139474833 in words is "one hundred thirty-nine million, four hundred seventy-four thousand, eight hundred thirty-three".