9150140 has 12 divisors (see below), whose sum is σ = 19215336. Its totient is φ = 3660048.

The previous prime is 9150139. The next prime is 9150149. The reversal of 9150140 is 410519.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 457507 = 9150140 / (9 + 1 + 5 + 0 + 1 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9150149) 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, 228734 + ... + 228773.

It is an arithmetic number, because the mean of its divisors is an integer number (1601278).

Almost surely, 2^9150140 is an apocalyptic number.

It is an amenable number.

9150140 is an abundant number, since it is smaller than the sum of its proper divisors (10065196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9150140 is a wasteful number, since it uses less digits than its factorization.

9150140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457516 (or 457514 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 9150140 is about 3024.9198336485. The cubic root of 9150140 is about 209.1586899459.

Adding to 9150140 its reverse (410519), we get a palindrome (9560659).

The spelling of 9150140 in words is "nine million, one hundred fifty thousand, one hundred forty".