94138457 has 12 divisors (see below), whose sum is σ = 109699236. Its totient is φ = 80549280.

The previous prime is 94138411. The next prime is 94138459. The reversal of 94138457 is 75483149.

It can be written as a sum of positive squares in 2 ways, for example, as 86415616 + 7722841 = 9296^2 + 2779^2 .

It is a de Polignac number, because none of the positive numbers 2^k-94138457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94138459) 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 11 ways as a sum of consecutive naturals, for example, 34607 + ... + 37227.

It is an arithmetic number, because the mean of its divisors is an integer number (9141603).

Almost surely, 2^94138457 is an apocalyptic number.

It is an amenable number.

94138457 is a deficient number, since it is larger than the sum of its proper divisors (15560779).

94138457 is a wasteful number, since it uses less digits than its factorization.

94138457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368 (or 3361 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 94138457 is about 9702.4974619940. The cubic root of 94138457 is about 454.9067264427.

The spelling of 94138457 in words is "ninety-four million, one hundred thirty-eight thousand, four hundred fifty-seven".