135679122469 has 8 divisors (see below), whose sum is σ = 149179051008. Its totient is φ = 122373437760.

The previous prime is 135679122409. The next prime is 135679122503. The reversal of 135679122469 is 964221976531.

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

It is a cyclic number.

It is not a de Polignac number, because 135679122469 - 2²¹ = 135677025317 is a prime.

It is a super-2 number, since 2×135679122469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135679122409) 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, 48559492 + ... + 48562285.

It is an arithmetic number, because the mean of its divisors is an integer number (18647381376).

Almost surely, 2^135679122469 is an apocalyptic number.

It is an amenable number.

135679122469 is a deficient number, since it is larger than the sum of its proper divisors (13499928539).

135679122469 is a wasteful number, since it uses less digits than its factorization.

135679122469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97121915.

The product of its digits is 4898880, while the sum is 55.

The spelling of 135679122469 in words is "one hundred thirty-five billion, six hundred seventy-nine million, one hundred twenty-two thousand, four hundred sixty-nine".