940129117 has 4 divisors (see below), whose sum is σ = 981004320. Its totient is φ = 899253916.

The previous prime is 940129103. The next prime is 940129123. The reversal of 940129117 is 711921049.

940129117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-940129117 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 (940129417) 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, 20437567 + ... + 20437612.

It is an arithmetic number, because the mean of its divisors is an integer number (245251080).

Almost surely, 2^940129117 is an apocalyptic number.

It is an amenable number.

940129117 is a deficient number, since it is larger than the sum of its proper divisors (40875203).

940129117 is a wasteful number, since it uses less digits than its factorization.

940129117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40875202.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 940129117 is about 30661.5250273042. The cubic root of 940129117 is about 979.6309581585.

The spelling of 940129117 in words is "nine hundred forty million, one hundred twenty-nine thousand, one hundred seventeen".