94139253 has 60 divisors (see below), whose sum is σ = 159252940. Its totient is φ = 55413072.

The previous prime is 94139237. The next prime is 94139257. The reversal of 94139253 is 35293149.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 3470769 + 90668484 = 1863^2 + 9522^2 .

It is not a de Polignac number, because 94139253 - 2⁴ = 94139237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94139257) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4093000 + ... + 4093022.

Almost surely, 2^94139253 is an apocalyptic number.

It is an amenable number.

94139253 is a deficient number, since it is larger than the sum of its proper divisors (65113687).

94139253 is an equidigital number, since it uses as much as digits as its factorization.

94139253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 39 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 94139253 is about 9702.5384822736. The cubic root of 94139253 is about 454.9080086134.

The spelling of 94139253 in words is "ninety-four million, one hundred thirty-nine thousand, two hundred fifty-three".