135544976 has 60 divisors (see below), whose sum is σ = 309323952. Its totient is φ = 57363264.

The previous prime is 135544973. The next prime is 135544979. The reversal of 135544976 is 679445531.

It is an interprime number because it is at equal distance from previous prime (135544973) and next prime (135544979).

It is not an unprimeable number, because it can be changed into a prime (135544973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64031 + ... + 66113.

Almost surely, 2^135544976 is an apocalyptic number.

135544976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135544976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154661976).

135544976 is an abundant number, since it is smaller than the sum of its proper divisors (173778976).

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

135544976 is a wasteful number, since it uses less digits than its factorization.

135544976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188 (or 2175 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The square root of 135544976 is about 11642.3784511585. The cubic root of 135544976 is about 513.6821504317.

The spelling of 135544976 in words is "one hundred thirty-five million, five hundred forty-four thousand, nine hundred seventy-six".