94136491 has 4 divisors (see below), whose sum is σ = 97173184. Its totient is φ = 91099800.

The previous prime is 94136489. The next prime is 94136501. The reversal of 94136491 is 19463149.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19463149 = 109 ⋅178561.

It is a cyclic number.

It is not a de Polignac number, because 94136491 - 2¹ = 94136489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94136491.

It is not an unprimeable number, because it can be changed into a prime (94133491) 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, 1518300 + ... + 1518361.

It is an arithmetic number, because the mean of its divisors is an integer number (24293296).

Almost surely, 2^94136491 is an apocalyptic number.

94136491 is a deficient number, since it is larger than the sum of its proper divisors (3036693).

94136491 is a wasteful number, since it uses less digits than its factorization.

94136491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036692.

The product of its digits is 23328, while the sum is 37.

The square root of 94136491 is about 9702.3961473442. The cubic root of 94136491 is about 454.9035596432.

The spelling of 94136491 in words is "ninety-four million, one hundred thirty-six thousand, four hundred ninety-one".