94131439 has 4 divisors (see below), whose sum is σ = 94481640. Its totient is φ = 93781240.

The previous prime is 94131421. The next prime is 94131451. The reversal of 94131439 is 93413149.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93413149 = 8513 ⋅10973.

It is a cyclic number.

It is not a de Polignac number, because 94131439 - 2¹⁷ = 94000367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94131409) 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, 174697 + ... + 175234.

It is an arithmetic number, because the mean of its divisors is an integer number (23620410).

Almost surely, 2^94131439 is an apocalyptic number.

94131439 is a deficient number, since it is larger than the sum of its proper divisors (350201).

94131439 is a wasteful number, since it uses less digits than its factorization.

94131439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350200.

The product of its digits is 11664, while the sum is 34.

The square root of 94131439 is about 9702.1357957926. The cubic root of 94131439 is about 454.8954217650.

The spelling of 94131439 in words is "ninety-four million, one hundred thirty-one thousand, four hundred thirty-nine".