134572391279 has 2 divisors, whose sum is σ = 134572391280. Its totient is φ = 134572391278.

The previous prime is 134572391269. The next prime is 134572391287. The reversal of 134572391279 is 972193275431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134572391279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134572391279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134572391269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67286195639 + 67286195640.

It is an arithmetic number, because the mean of its divisors is an integer number (67286195640).

Almost surely, 2^134572391279 is an apocalyptic number.

134572391279 is a deficient number, since it is larger than the sum of its proper divisors (1).

134572391279 is an equidigital number, since it uses as much as digits as its factorization.

134572391279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 53.

The spelling of 134572391279 in words is "one hundred thirty-four billion, five hundred seventy-two million, three hundred ninety-one thousand, two hundred seventy-nine".