940513138 has 16 divisors (see below), whose sum is σ = 1453593024. Its totient is φ = 456064560.

The previous prime is 940513109. The next prime is 940513139. The reversal of 940513138 is 831315049.

940513138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (940513139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2581 + ... + 43447.

It is an arithmetic number, because the mean of its divisors is an integer number (90849564).

Almost surely, 2^940513138 is an apocalyptic number.

940513138 is a deficient number, since it is larger than the sum of its proper divisors (513079886).

940513138 is a wasteful number, since it uses less digits than its factorization.

940513138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41217.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 940513138 is about 30667.7866498383. The cubic root of 940513138 is about 979.7643255304.

The spelling of 940513138 in words is "nine hundred forty million, five hundred thirteen thousand, one hundred thirty-eight".