135450644 has 24 divisors (see below), whose sum is σ = 271994688. Its totient is φ = 57816000.

The previous prime is 135450643. The next prime is 135450647. The reversal of 135450644 is 446054531.

It is a self number, because there is not a number n which added to its sum of digits gives 135450644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135450643) 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, 2609 + ... + 16664.

It is an arithmetic number, because the mean of its divisors is an integer number (11333112).

Almost surely, 2^135450644 is an apocalyptic number.

135450644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135450644 is an abundant number, since it is smaller than the sum of its proper divisors (136544044).

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

135450644 is a wasteful number, since it uses less digits than its factorization.

135450644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19535 (or 19533 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 135450644 is about 11638.3265120033. The cubic root of 135450644 is about 513.5629577439.

The spelling of 135450644 in words is "one hundred thirty-five million, four hundred fifty thousand, six hundred forty-four".