34140025421 has 4 divisors (see below), whose sum is σ = 34330752000. Its totient is φ = 33949298844.

The previous prime is 34140025369. The next prime is 34140025429. The reversal of 34140025421 is 12452004143.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34140025421 - 2⁶ = 34140025357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34140025429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95363021 + ... + 95363378.

It is an arithmetic number, because the mean of its divisors is an integer number (8582688000).

Almost surely, 2^34140025421 is an apocalyptic number.

It is an amenable number.

34140025421 is a deficient number, since it is larger than the sum of its proper divisors (190726579).

34140025421 is a wasteful number, since it uses less digits than its factorization.

34140025421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190726578.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 34140025421 its reverse (12452004143), we get a palindrome (46592029564).

The spelling of 34140025421 in words is "thirty-four billion, one hundred forty million, twenty-five thousand, four hundred twenty-one".