135405902 has 8 divisors (see below), whose sum is σ = 203266800. Its totient is φ = 67650304.

The previous prime is 135405887. The next prime is 135405911. The reversal of 135405902 is 209504531.

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

It is a congruent number.

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, 23027 + ... + 28302.

It is an arithmetic number, because the mean of its divisors is an integer number (25408350).

Almost surely, 2^135405902 is an apocalyptic number.

135405902 is a deficient number, since it is larger than the sum of its proper divisors (67860898).

135405902 is a wasteful number, since it uses less digits than its factorization.

135405902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52650.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 135405902 is about 11636.4041696737. The cubic root of 135405902 is about 513.5064048829.

The spelling of 135405902 in words is "one hundred thirty-five million, four hundred five thousand, nine hundred two".