135628490 has 16 divisors (see below), whose sum is σ = 244735560. Its totient is φ = 54117120.

The previous prime is 135628489. The next prime is 135628501. The reversal of 135628490 is 94826531.

It is a happy number.

135628490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 135094129 + 534361 = 11623^2 + 731^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12491 + ... + 20670.

Almost surely, 2^135628490 is an apocalyptic number.

135628490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135628490 is a deficient number, since it is larger than the sum of its proper divisors (109107070).

135628490 is a wasteful number, since it uses less digits than its factorization.

135628490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33577.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 135628490 is about 11645.9645371262. The cubic root of 135628490 is about 513.7876279511.

The spelling of 135628490 in words is "one hundred thirty-five million, six hundred twenty-eight thousand, four hundred ninety".