934140421 has 4 divisors (see below), whose sum is σ = 934315200. Its totient is φ = 933965644.

The previous prime is 934140409. The next prime is 934140461. The reversal of 934140421 is 124041439.

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 934140421 - 2²¹ = 932043269 is a prime.

It is a super-2 number, since 2×934140421² = 1745236652292114482, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 934140421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (934140461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79111 + ... + 90148.

It is an arithmetic number, because the mean of its divisors is an integer number (233578800).

Almost surely, 2^934140421 is an apocalyptic number.

It is an amenable number.

934140421 is a deficient number, since it is larger than the sum of its proper divisors (174779).

934140421 is a wasteful number, since it uses less digits than its factorization.

934140421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174778.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 934140421 is about 30563.7108512694. The cubic root of 934140421 is about 977.5464170369.

The spelling of 934140421 in words is "nine hundred thirty-four million, one hundred forty thousand, four hundred twenty-one".