10540140 has 48 divisors (see below), whose sum is σ = 31784928. Its totient is φ = 2594304.

The previous prime is 10540121. The next prime is 10540169. The reversal of 10540140 is 4104501.

It is a super-2 number, since 2×10540140² = 222189102439200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5977 + ... + 7536.

It is an arithmetic number, because the mean of its divisors is an integer number (662186).

Almost surely, 2^10540140 is an apocalyptic number.

10540140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10540140 is an abundant number, since it is smaller than the sum of its proper divisors (21244788).

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

10540140 is a wasteful number, since it uses less digits than its factorization.

10540140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13538 (or 13536 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 10540140 is about 3246.5581775166. The cubic root of 10540140 is about 219.2546401074.

Adding to 10540140 its reverse (4104501), we get a palindrome (14644641).

The spelling of 10540140 in words is "ten million, five hundred forty thousand, one hundred forty".