13140155 has 16 divisors (see below), whose sum is σ = 18441984. Its totient is φ = 8799840.

The previous prime is 13140151. The next prime is 13140157. The reversal of 13140155 is 55104131.

It is not a de Polignac number, because 13140155 - 2² = 13140151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13140151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2861 + ... + 5870.

It is an arithmetic number, because the mean of its divisors is an integer number (1152624).

Almost surely, 2^13140155 is an apocalyptic number.

13140155 is a deficient number, since it is larger than the sum of its proper divisors (5301829).

13140155 is an equidigital number, since it uses as much as digits as its factorization.

13140155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 13140155 is about 3624.9351718341. The cubic root of 13140155 is about 235.9754534941.

Adding to 13140155 its reverse (55104131), we get a palindrome (68244286).

The spelling of 13140155 in words is "thirteen million, one hundred forty thousand, one hundred fifty-five".