135022642 has 16 divisors (see below), whose sum is σ = 205132032. Its totient is φ = 66648960.

The previous prime is 135022631. The next prime is 135022649. The reversal of 135022642 is 246220531.

It is a super-2 number, since 2×135022642² = 36462227705320328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135022649) 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, 121863 + ... + 122965.

It is an arithmetic number, because the mean of its divisors is an integer number (12820752).

Almost surely, 2^135022642 is an apocalyptic number.

135022642 is a deficient number, since it is larger than the sum of its proper divisors (70109390).

135022642 is a wasteful number, since it uses less digits than its factorization.

135022642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 135022642 is about 11619.9243543149. The cubic root of 135022642 is about 513.0214618630.

The spelling of 135022642 in words is "one hundred thirty-five million, twenty-two thousand, six hundred forty-two".