139069434 has 16 divisors (see below), whose sum is σ = 317873088. Its totient is φ = 39734112.

The previous prime is 139069433. The next prime is 139069459. The reversal of 139069434 is 434960931.

It is a junction number, because it is equal to n+sod(n) for n = 139069392 and 139069401.

It is not an unprimeable number, because it can be changed into a prime (139069433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1655547 + ... + 1655630.

It is an arithmetic number, because the mean of its divisors is an integer number (19867068).

Almost surely, 2^139069434 is an apocalyptic number.

139069434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139069434 is an abundant number, since it is smaller than the sum of its proper divisors (178803654).

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

139069434 is a wasteful number, since it uses less digits than its factorization.

139069434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311189.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 139069434 is about 11792.7704124179. The cubic root of 139069434 is about 518.0963854174.

The spelling of 139069434 in words is "one hundred thirty-nine million, sixty-nine thousand, four hundred thirty-four".