135498768 has 80 divisors (see below), whose sum is σ = 370309632. Its totient is φ = 42624000.

The previous prime is 135498739. The next prime is 135498787. The reversal of 135498768 is 867894531.

It is a super-2 number, since 2×135498768² = 36719832259035648, which contains 22 as substring.

Its product of digits (1451520) is a multiple of the sum of its prime factors (2304).

It is a self number, because there is not a number n which added to its sum of digits gives 135498768.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59898 + ... + 62118.

Almost surely, 2^135498768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135498768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185154816).

135498768 is an abundant number, since it is smaller than the sum of its proper divisors (234810864).

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

135498768 is a wasteful number, since it uses less digits than its factorization.

135498768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304 (or 2298 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 135498768 is about 11640.3938077713. The cubic root of 135498768 is about 513.6237714757.

The spelling of 135498768 in words is "one hundred thirty-five million, four hundred ninety-eight thousand, seven hundred sixty-eight".