940809142 has 96 divisors (see below), whose sum is σ = 1834942464. Its totient is φ = 353808000.

The previous prime is 940809139. The next prime is 940809179. The reversal of 940809142 is 241908049.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7407883 + ... + 7408009.

It is an arithmetic number, because the mean of its divisors is an integer number (19113984).

Almost surely, 2^940809142 is an apocalyptic number.

940809142 is a deficient number, since it is larger than the sum of its proper divisors (894133322).

940809142 is a wasteful number, since it uses less digits than its factorization.

940809142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 940809142 is about 30672.6122461065. The cubic root of 940809142 is about 979.8671005398.

The spelling of 940809142 in words is "nine hundred forty million, eight hundred nine thousand, one hundred forty-two".