139029546 has 16 divisors (see below), whose sum is σ = 279766944. Its totient is φ = 46058544.

The previous prime is 139029533. The next prime is 139029551. The reversal of 139029546 is 645920931.

It is a super-2 number, since 2×139029546² = 38658429321932232, which contains 22 as substring.

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, 70101 + ... + 72056.

It is an arithmetic number, because the mean of its divisors is an integer number (17485434).

Almost surely, 2^139029546 is an apocalyptic number.

139029546 is an abundant number, since it is smaller than the sum of its proper divisors (140737398).

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

139029546 is a wasteful number, since it uses less digits than its factorization.

139029546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142325.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 139029546 is about 11791.0790854781. The cubic root of 139029546 is about 518.0468470822.

The spelling of 139029546 in words is "one hundred thirty-nine million, twenty-nine thousand, five hundred forty-six".