102140015413 has 4 divisors (see below), whose sum is σ = 105662084940. Its totient is φ = 98617945888.

The previous prime is 102140015287. The next prime is 102140015431. The reversal of 102140015413 is 314510041201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314510041201 = 85703 ⋅3669767.

It can be written as a sum of positive squares in 2 ways, for example, as 86873436049 + 15266579364 = 294743^2 + 123558^2 .

It is a cyclic number.

It is not a de Polignac number, because 102140015413 - 2²¹ = 102137918261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102140015443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761034720 + ... + 1761034777.

It is an arithmetic number, because the mean of its divisors is an integer number (26415521235).

Almost surely, 2^102140015413 is an apocalyptic number.

It is an amenable number.

102140015413 is a deficient number, since it is larger than the sum of its proper divisors (3522069527).

102140015413 is an equidigital number, since it uses as much as digits as its factorization.

102140015413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522069526.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 102140015413 its reverse (314510041201), we get a palindrome (416650056614).

The spelling of 102140015413 in words is "one hundred two billion, one hundred forty million, fifteen thousand, four hundred thirteen".