10140394 has 16 divisors (see below), whose sum is σ = 16744320. Its totient is φ = 4567360.

The previous prime is 10140371. The next prime is 10140397. The reversal of 10140394 is 49304101.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (10140397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447 + ... + 4525.

It is an arithmetic number, because the mean of its divisors is an integer number (1046520).

Almost surely, 2^10140394 is an apocalyptic number.

10140394 is a deficient number, since it is larger than the sum of its proper divisors (6603926).

10140394 is a wasteful number, since it uses less digits than its factorization.

10140394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 10140394 is about 3184.3985303350. The cubic root of 10140394 is about 216.4470194841.

Adding to 10140394 its reverse (49304101), we get a palindrome (59444495).

The spelling of 10140394 in words is "ten million, one hundred forty thousand, three hundred ninety-four".