34138505091 has 8 divisors (see below), whose sum is σ = 45959929600. Its totient is φ = 22538041992.

The previous prime is 34138505087. The next prime is 34138505173. The reversal of 34138505091 is 19050583143.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34138505091 - 2² = 34138505087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34138500091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55239991 + ... + 55240608.

It is an arithmetic number, because the mean of its divisors is an integer number (5744991200).

Almost surely, 2^34138505091 is an apocalyptic number.

34138505091 is a deficient number, since it is larger than the sum of its proper divisors (11821424509).

34138505091 is a wasteful number, since it uses less digits than its factorization.

34138505091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110480705.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 34138505091 in words is "thirty-four billion, one hundred thirty-eight million, five hundred five thousand, ninety-one".