135531792 has 120 divisors (see below), whose sum is σ = 429243360. Its totient is φ = 41057280.

The previous prime is 135531787. The next prime is 135531797. The reversal of 135531792 is 297135531.

135531792 is a `hidden beast` number, since 1 + 3 + 553 + 17 + 92 = 666.

It is an interprime number because it is at equal distance from previous prime (135531787) and next prime (135531797).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (135531797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41184 + ... + 44352.

It is an arithmetic number, because the mean of its divisors is an integer number (3577028).

Almost surely, 2^135531792 is an apocalyptic number.

135531792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135531792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214621680).

135531792 is an abundant number, since it is smaller than the sum of its proper divisors (293711568).

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

135531792 is a wasteful number, since it uses less digits than its factorization.

135531792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203 (or 3185 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 135531792 is about 11641.8122300611. The cubic root of 135531792 is about 513.6654951850.

The spelling of 135531792 in words is "one hundred thirty-five million, five hundred thirty-one thousand, seven hundred ninety-two".