135601092 has 72 divisors (see below), whose sum is σ = 376215840. Its totient is φ = 40840320.

The previous prime is 135601091. The next prime is 135601111. The reversal of 135601092 is 290106531.

135601092 is a `hidden beast` number, since 1 + 3 + 560 + 10 + 92 = 666.

It is not an unprimeable number, because it can be changed into a prime (135601091) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 69928 + ... + 71840.

It is an arithmetic number, because the mean of its divisors is an integer number (5225220).

Almost surely, 2^135601092 is an apocalyptic number.

135601092 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 135601092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188107920).

135601092 is an abundant number, since it is smaller than the sum of its proper divisors (240614748).

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

135601092 is a wasteful number, since it uses less digits than its factorization.

135601092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113 (or 2108 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 135601092 is about 11644.7881904309. The cubic root of 135601092 is about 513.7530292680.

The spelling of 135601092 in words is "one hundred thirty-five million, six hundred one thousand, ninety-two".