135725722 has 16 divisors (see below), whose sum is σ = 235161792. Its totient is φ = 58064320.

The previous prime is 135725717. The next prime is 135725729. The reversal of 135725722 is 227527531.

It is a super-2 number, since 2×135725722² = 36842943224842568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (135725729) 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, 181078 + ... + 181825.

It is an arithmetic number, because the mean of its divisors is an integer number (14697612).

Almost surely, 2^135725722 is an apocalyptic number.

135725722 is a deficient number, since it is larger than the sum of its proper divisors (99436070).

135725722 is a wasteful number, since it uses less digits than its factorization.

135725722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362933.

The product of its digits is 29400, while the sum is 34.

The square root of 135725722 is about 11650.1382824411. The cubic root of 135725722 is about 513.9103766583.

The spelling of 135725722 in words is "one hundred thirty-five million, seven hundred twenty-five thousand, seven hundred twenty-two".