940012133 has 2 divisors, whose sum is σ = 940012134. Its totient is φ = 940012132.

The previous prime is 940012109. The next prime is 940012153. The reversal of 940012133 is 331210049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 937768129 + 2244004 = 30623^2 + 1498^2 .

It is an emirp because it is prime and its reverse (331210049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940012133 - 2⁶ = 940012069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 940012099 and 940012108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (940012153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470006066 + 470006067.

It is an arithmetic number, because the mean of its divisors is an integer number (470006067).

Almost surely, 2^940012133 is an apocalyptic number.

It is an amenable number.

940012133 is a deficient number, since it is larger than the sum of its proper divisors (1).

940012133 is an equidigital number, since it uses as much as digits as its factorization.

940012133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 940012133 is about 30659.6173002861. The cubic root of 940012133 is about 979.5903233493.

The spelling of 940012133 in words is "nine hundred forty million, twelve thousand, one hundred thirty-three".