135951872 has 60 divisors (see below), whose sum is σ = 316045620. Its totient is φ = 58254336.

The previous prime is 135951857. The next prime is 135951887. The reversal of 135951872 is 278159531.

It is an interprime number because it is at equal distance from previous prime (135951857) and next prime (135951887).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22379 + ... + 27797.

It is an arithmetic number, because the mean of its divisors is an integer number (5267427).

Almost surely, 2^135951872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135951872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158022810).

135951872 is an abundant number, since it is smaller than the sum of its proper divisors (180093748).

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

135951872 is an frugal number, since it uses more digits than its factorization.

135951872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451 (or 5428 counting only the distinct ones).

The product of its digits is 75600, while the sum is 41.

The square root of 135951872 is about 11659.8401361254. The cubic root of 135951872 is about 514.1956488959.

The spelling of 135951872 in words is "one hundred thirty-five million, nine hundred fifty-one thousand, eight hundred seventy-two".