135722170228426 has 16 divisors (see below), whose sum is σ = 206064513706464. Its totient is φ = 67034224771344.

The previous prime is 135722170228423. The next prime is 135722170228499. The reversal of 135722170228426 is 624822071227531.

It is a super-2 number, since 2×135722170228426² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135722170228423) 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, 55238601 + ... + 57643276.

It is an arithmetic number, because the mean of its divisors is an integer number (12879032106654).

Almost surely, 2^{135722170228426} is an apocalyptic number.

135722170228426 is a deficient number, since it is larger than the sum of its proper divisors (70342343478038).

135722170228426 is a wasteful number, since it uses less digits than its factorization.

135722170228426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112889205.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 135722170228426 in words is "one hundred thirty-five trillion, seven hundred twenty-two billion, one hundred seventy million, two hundred twenty-eight thousand, four hundred twenty-six".