135021298 has 8 divisors (see below), whose sum is σ = 202834908. Its totient is φ = 67409664.

The previous prime is 135021269. The next prime is 135021373. The reversal of 135021298 is 892120531.

It can be written as a sum of positive squares in 2 ways, for example, as 117657409 + 17363889 = 10847^2 + 4167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48811 + ... + 51502.

Almost surely, 2^135021298 is an apocalyptic number.

135021298 is a deficient number, since it is larger than the sum of its proper divisors (67813610).

135021298 is a wasteful number, since it uses less digits than its factorization.

135021298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100988.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 135021298 is about 11619.8665224692. The cubic root of 135021298 is about 513.0197596717.

The spelling of 135021298 in words is "one hundred thirty-five million, twenty-one thousand, two hundred ninety-eight".