94139971 has 8 divisors (see below), whose sum is σ = 94881024. Its totient is φ = 93402120.

The previous prime is 94139959. The next prime is 94140001. The reversal of 94139971 is 17993149.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 94139971 - 2⁹ = 94139459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94139911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105690 + ... + 106576.

It is an arithmetic number, because the mean of its divisors is an integer number (11860128).

Almost surely, 2^94139971 is an apocalyptic number.

94139971 is a deficient number, since it is larger than the sum of its proper divisors (741053).

94139971 is a wasteful number, since it uses less digits than its factorization.

94139971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its digits is 61236, while the sum is 43.

The square root of 94139971 is about 9702.5754828293. The cubic root of 94139971 is about 454.9091651381.

The spelling of 94139971 in words is "ninety-four million, one hundred thirty-nine thousand, nine hundred seventy-one".