102140604015 has 8 divisors (see below), whose sum is σ = 163424966448. Its totient is φ = 54474988800.

The previous prime is 102140603987. The next prime is 102140604017. The reversal of 102140604015 is 510406041201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102140604015 - 2¹⁸ = 102140341871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102140604017) 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, 3404686786 + ... + 3404686815.

It is an arithmetic number, because the mean of its divisors is an integer number (20428120806).

Almost surely, 2^102140604015 is an apocalyptic number.

102140604015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102140604015 is a deficient number, since it is larger than the sum of its proper divisors (61284362433).

102140604015 is an equidigital number, since it uses as much as digits as its factorization.

102140604015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809373609.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 102140604015 its reverse (510406041201), we get a palindrome (612546645216).

The spelling of 102140604015 in words is "one hundred two billion, one hundred forty million, six hundred four thousand, fifteen".