135722452574 has 8 divisors (see below), whose sum is σ = 205682479968. Its totient is φ = 67161625920.

The previous prime is 135722452573. The next prime is 135722452633. The reversal of 135722452574 is 475254227531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135722452571) 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, 349799942 + ... + 349800329.

It is an arithmetic number, because the mean of its divisors is an integer number (25710309996).

Almost surely, 2^135722452574 is an apocalyptic number.

135722452574 is a deficient number, since it is larger than the sum of its proper divisors (69960027394).

135722452574 is an equidigital number, since it uses as much as digits as its factorization.

135722452574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699600370.

The product of its digits is 2352000, while the sum is 47.

The spelling of 135722452574 in words is "one hundred thirty-five billion, seven hundred twenty-two million, four hundred fifty-two thousand, five hundred seventy-four".