1293168138407 has 4 divisors (see below), whose sum is σ = 1293191493816. Its totient is φ = 1293144783000.

The previous prime is 1293168138349. The next prime is 1293168138443. The reversal of 1293168138407 is 7048318613921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1293168138407 - 2⁸ = 1293168138151 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 (1293168135407) 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, 11594453 + ... + 11705454.

It is an arithmetic number, because the mean of its divisors is an integer number (323297873454).

Almost surely, 2^{1293168138407} is an apocalyptic number.

1293168138407 is a deficient number, since it is larger than the sum of its proper divisors (23355409).

1293168138407 is an equidigital number, since it uses as much as digits as its factorization.

1293168138407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23355408.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 1293168138407 in words is "one trillion, two hundred ninety-three billion, one hundred sixty-eight million, one hundred thirty-eight thousand, four hundred seven".