139794054 has 16 divisors (see below), whose sum is σ = 279748080. Its totient is φ = 46571360.

The previous prime is 139794047. The next prime is 139794071. The reversal of 139794054 is 450497931.

It is a junction number, because it is equal to n+sod(n) for n = 139793997 and 139794015.

It is a congruent number.

It is an unprimeable number.

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, 6784 + ... + 18044.

It is an arithmetic number, because the mean of its divisors is an integer number (17484255).

Almost surely, 2^139794054 is an apocalyptic number.

139794054 is an abundant number, since it is smaller than the sum of its proper divisors (139954026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139794054 is a wasteful number, since it uses less digits than its factorization.

139794054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13335.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 139794054 is about 11823.4535563853. The cubic root of 139794054 is about 518.9946725223.

The spelling of 139794054 in words is "one hundred thirty-nine million, seven hundred ninety-four thousand, fifty-four".