9140434087 has 4 divisors (see below), whose sum is σ = 9334911456. Its totient is φ = 8945956720.

The previous prime is 9140434073. The next prime is 9140434091. The reversal of 9140434087 is 7804340419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9140434087 - 2¹⁹ = 9139909799 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 (9140434057) 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, 97238614 + ... + 97238707.

It is an arithmetic number, because the mean of its divisors is an integer number (2333727864).

Almost surely, 2^9140434087 is an apocalyptic number.

9140434087 is a deficient number, since it is larger than the sum of its proper divisors (194477369).

9140434087 is a wasteful number, since it uses less digits than its factorization.

9140434087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194477368.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 9140434087 is about 95605.6174447924. The cubic root of 9140434087 is about 2090.8470950168.

The spelling of 9140434087 in words is "nine billion, one hundred forty million, four hundred thirty-four thousand, eighty-seven".