9139401 has 12 divisors (see below), whose sum is σ = 13242112. Its totient is φ = 6074136.

The previous prime is 9139397. The next prime is 9139439. The reversal of 9139401 is 1049319.

9139401 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9139401 - 2² = 9139397 is a prime.

It is a Duffinian number.

It is a Curzon number.

9139401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9139201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1920 + ... + 4686.

Almost surely, 2^9139401 is an apocalyptic number.

It is an amenable number.

9139401 is a deficient number, since it is larger than the sum of its proper divisors (4102711).

9139401 is a wasteful number, since it uses less digits than its factorization.

9139401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140 (or 3137 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 9139401 is about 3023.1442241481. The cubic root of 9139401 is about 209.0768320190.

The spelling of 9139401 in words is "nine million, one hundred thirty-nine thousand, four hundred one".