94139697 has 4 divisors (see below), whose sum is σ = 125519600. Its totient is φ = 62759796.

The previous prime is 94139677. The next prime is 94139707. The reversal of 94139697 is 79693149.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 94139697 - 2⁷ = 94139569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94139627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15689947 + ... + 15689952.

It is an arithmetic number, because the mean of its divisors is an integer number (31379900).

Almost surely, 2^94139697 is an apocalyptic number.

It is an amenable number.

94139697 is a deficient number, since it is larger than the sum of its proper divisors (31379903).

94139697 is a wasteful number, since it uses less digits than its factorization.

94139697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31379902.

The product of its digits is 367416, while the sum is 48.

The square root of 94139697 is about 9702.5613628567. The cubic root of 94139697 is about 454.9087237910.

It can be divided in two parts, 9413 and 9697, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 94139697 in words is "ninety-four million, one hundred thirty-nine thousand, six hundred ninety-seven".