135323964 has 18 divisors (see below), whose sum is σ = 342069000. Its totient is φ = 45107976.

The previous prime is 135323963. The next prime is 135323977. The reversal of 135323964 is 469323531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3758999 = 135323964 / (1 + 3 + 5 + 3 + 2 + 3 + 9 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135323963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1879464 + ... + 1879535.

Almost surely, 2^135323964 is an apocalyptic number.

It is an amenable number.

135323964 is an abundant number, since it is smaller than the sum of its proper divisors (206745036).

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

135323964 is a wasteful number, since it uses less digits than its factorization.

135323964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759009 (or 3759004 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 135323964 is about 11632.8828757106. The cubic root of 135323964 is about 513.4028048253.

The spelling of 135323964 in words is "one hundred thirty-five million, three hundred twenty-three thousand, nine hundred sixty-four".