135440562 has 16 divisors (see below), whose sum is σ = 274145760. Its totient is φ = 44602752.

The previous prime is 135440561. The next prime is 135440563. The reversal of 135440562 is 265044531.

It is an interprime number because it is at equal distance from previous prime (135440561) and next prime (135440563).

It is not an unprimeable number, because it can be changed into a prime (135440561) 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, 135487 + ... + 136482.

It is an arithmetic number, because the mean of its divisors is an integer number (17134110).

Almost surely, 2^135440562 is an apocalyptic number.

135440562 is an abundant number, since it is smaller than the sum of its proper divisors (138705198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135440562 is a wasteful number, since it uses less digits than its factorization.

135440562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272057.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 135440562 is about 11637.8933660693. The cubic root of 135440562 is about 513.5502154144.

The spelling of 135440562 in words is "one hundred thirty-five million, four hundred forty thousand, five hundred sixty-two".