135262490 has 32 divisors (see below), whose sum is σ = 266825664. Its totient is φ = 48960640.

The previous prime is 135262459. The next prime is 135262499. The reversal of 135262490 is 94262531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (135262499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22262 + ... + 27678.

It is an arithmetic number, because the mean of its divisors is an integer number (8338302).

Almost surely, 2^135262490 is an apocalyptic number.

135262490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135262490 is a deficient number, since it is larger than the sum of its proper divisors (131563174).

135262490 is a wasteful number, since it uses less digits than its factorization.

135262490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5662.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 135262490 is about 11630.2403242581. The cubic root of 135262490 is about 513.3250514021.

The spelling of 135262490 in words is "one hundred thirty-five million, two hundred sixty-two thousand, four hundred ninety".