34502139 has 32 divisors (see below), whose sum is σ = 60963840. Its totient is φ = 18855936.

The previous prime is 34502123. The next prime is 34502147. The reversal of 34502139 is 93120543.

It is not a de Polignac number, because 34502139 - 2⁴ = 34502123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (34502179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379 + ... + 8315.

It is an arithmetic number, because the mean of its divisors is an integer number (1905120).

Almost surely, 2^34502139 is an apocalyptic number.

34502139 is a deficient number, since it is larger than the sum of its proper divisors (26461701).

34502139 is a wasteful number, since it uses less digits than its factorization.

34502139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976 (or 7970 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 34502139 is about 5873.8521431851. The cubic root of 34502139 is about 325.5482312950.

The spelling of 34502139 in words is "thirty-four million, five hundred two thousand, one hundred thirty-nine".