135772270 has 16 divisors (see below), whose sum is σ = 244788768. Its totient is φ = 54220320.

The previous prime is 135772267. The next prime is 135772283. The reversal of 135772270 is 72277531.

It is a happy number.

135772270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4449 + ... + 17068.

It is an arithmetic number, because the mean of its divisors is an integer number (15299298).

Almost surely, 2^135772270 is an apocalyptic number.

135772270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135772270 is a deficient number, since it is larger than the sum of its proper divisors (109016498).

135772270 is a wasteful number, since it uses less digits than its factorization.

135772270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22155.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 135772270 is about 11652.1358557133. The cubic root of 135772270 is about 513.9691195546.

The spelling of 135772270 in words is "one hundred thirty-five million, seven hundred seventy-two thousand, two hundred seventy".