13146140 has 24 divisors (see below), whose sum is σ = 31551072. Its totient is φ = 4507200.

The previous prime is 13146131. The next prime is 13146167. The reversal of 13146140 is 4164131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46811 + ... + 47090.

It is an arithmetic number, because the mean of its divisors is an integer number (1314628).

Almost surely, 2^13146140 is an apocalyptic number.

13146140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13146140 is an abundant number, since it is smaller than the sum of its proper divisors (18404932).

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

13146140 is a wasteful number, since it uses less digits than its factorization.

13146140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93917 (or 93915 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13146140 is about 3625.7606098583. The cubic root of 13146140 is about 236.0112749569.

Subtracting from 13146140 its reverse (4164131), we obtain a square (8982009 = 2997²).

The spelling of 13146140 in words is "thirteen million, one hundred forty-six thousand, one hundred forty".