135408290 has 16 divisors (see below), whose sum is σ = 249403968. Its totient is φ = 52903536.

The previous prime is 135408283. The next prime is 135408293. The reversal of 135408290 is 92804531.

It is not an unprimeable number, because it can be changed into a prime (135408293) 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, 157022 + ... + 157881.

It is an arithmetic number, because the mean of its divisors is an integer number (15587748).

Almost surely, 2^135408290 is an apocalyptic number.

135408290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135408290 is a deficient number, since it is larger than the sum of its proper divisors (113995678).

135408290 is a wasteful number, since it uses less digits than its factorization.

135408290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314953.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 135408290 is about 11636.5067782389. The cubic root of 135408290 is about 513.5094235748.

The spelling of 135408290 in words is "one hundred thirty-five million, four hundred eight thousand, two hundred ninety".