940635213 has 48 divisors (see below), whose sum is σ = 1517330880. Its totient is φ = 516198144.

The previous prime is 940635197. The next prime is 940635233. The reversal of 940635213 is 312536049.

It is not a de Polignac number, because 940635213 - 2⁴ = 940635197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940635233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 992806 + ... + 993752.

It is an arithmetic number, because the mean of its divisors is an integer number (31611060).

Almost surely, 2^940635213 is an apocalyptic number.

It is an amenable number.

940635213 is a deficient number, since it is larger than the sum of its proper divisors (576695667).

940635213 is a wasteful number, since it uses less digits than its factorization.

940635213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 940635213 is about 30669.7768658332. The cubic root of 940635213 is about 979.8067135811.

The spelling of 940635213 in words is "nine hundred forty million, six hundred thirty-five thousand, two hundred thirteen".