94138899 has 4 divisors (see below), whose sum is σ = 125518536. Its totient is φ = 62759264.

The previous prime is 94138897. The next prime is 94138937. The reversal of 94138899 is 99883149.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99883149 = 3 ⋅33294383.

It is a cyclic number.

It is not a de Polignac number, because 94138899 - 2¹ = 94138897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (94138897) 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 3 ways as a sum of consecutive naturals, for example, 15689814 + ... + 15689819.

It is an arithmetic number, because the mean of its divisors is an integer number (31379634).

Almost surely, 2^94138899 is an apocalyptic number.

94138899 is a deficient number, since it is larger than the sum of its proper divisors (31379637).

94138899 is a wasteful number, since it uses less digits than its factorization.

94138899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31379636.

The product of its digits is 559872, while the sum is 51.

The square root of 94138899 is about 9702.5202396079. The cubic root of 94138899 is about 454.9074384027.

The spelling of 94138899 in words is "ninety-four million, one hundred thirty-eight thousand, eight hundred ninety-nine".