135571902 has 8 divisors (see below), whose sum is σ = 271143816. Its totient is φ = 45190632.

The previous prime is 135571901. The next prime is 135571903. The reversal of 135571902 is 209175531.

It is an interprime number because it is at equal distance from previous prime (135571901) and next prime (135571903).

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

135571902 is an admirable number.

It is a super-2 number, since 2×135571902² = 36759481223795208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135571901) 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 3 ways as a sum of consecutive naturals, for example, 11297653 + ... + 11297664.

It is an arithmetic number, because the mean of its divisors is an integer number (33892977).

Almost surely, 2^135571902 is an apocalyptic number.

135571902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135571902 is a wasteful number, since it uses less digits than its factorization.

135571902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22595322.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 135571902 is about 11643.5347725680. The cubic root of 135571902 is about 513.7161624874.

The spelling of 135571902 in words is "one hundred thirty-five million, five hundred seventy-one thousand, nine hundred two".