135298390 has 16 divisors (see below), whose sum is σ = 244998432. Its totient is φ = 53794624.

The previous prime is 135298379. The next prime is 135298391. The reversal of 135298390 is 93892531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135298391) 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, 38839 + ... + 42178.

It is an arithmetic number, because the mean of its divisors is an integer number (15312402).

Almost surely, 2^135298390 is an apocalyptic number.

135298390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135298390 is a deficient number, since it is larger than the sum of its proper divisors (109700042).

135298390 is a wasteful number, since it uses less digits than its factorization.

135298390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81191.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 135298390 is about 11631.7836121551. The cubic root of 135298390 is about 513.3704612302.

The spelling of 135298390 in words is "one hundred thirty-five million, two hundred ninety-eight thousand, three hundred ninety".