34139029 has 16 divisors (see below), whose sum is σ = 37440000. Its totient is φ = 31008960.

The previous prime is 34139023. The next prime is 34139051. The reversal of 34139029 is 92093143.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34139029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34139023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87567 + ... + 87955.

It is an arithmetic number, because the mean of its divisors is an integer number (2340000).

Almost surely, 2^34139029 is an apocalyptic number.

It is an amenable number.

34139029 is a deficient number, since it is larger than the sum of its proper divisors (3300971).

34139029 is a wasteful number, since it uses less digits than its factorization.

34139029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 34139029 is about 5842.8613709380. The cubic root of 34139029 is about 324.4021482371.

The spelling of 34139029 in words is "thirty-four million, one hundred thirty-nine thousand, twenty-nine".