135856962 has 48 divisors (see below), whose sum is σ = 314510040. Its totient is φ = 42233856.

The previous prime is 135856957. The next prime is 135856969. The reversal of 135856962 is 269658531.

135856962 is a `hidden beast` number, since 1 + 3 + 585 + 6 + 9 + 62 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 69906321 + 65950641 = 8361^2 + 8121^2 .

It is a super-2 number, since 2×135856962² = 36914228247738888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135856969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32614 + ... + 36542.

Almost surely, 2^135856962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135856962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157255020).

135856962 is an abundant number, since it is smaller than the sum of its proper divisors (178653078).

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

135856962 is a wasteful number, since it uses less digits than its factorization.

135856962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067 (or 4064 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 135856962 is about 11655.7694726689. The cubic root of 135856962 is about 514.0759651939.

The spelling of 135856962 in words is "one hundred thirty-five million, eight hundred fifty-six thousand, nine hundred sixty-two".