136061142 has 48 divisors (see below), whose sum is σ = 318339072. Its totient is φ = 38655120.

The previous prime is 136061137. The next prime is 136061143. The reversal of 136061142 is 241160631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136061143) 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, 54943 + ... + 57365.

It is an arithmetic number, because the mean of its divisors is an integer number (6632064).

Almost surely, 2^136061142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136061142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159169536).

136061142 is an abundant number, since it is smaller than the sum of its proper divisors (182277930).

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

136061142 is a wasteful number, since it uses less digits than its factorization.

136061142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 136061142 is about 11664.5249367473. The cubic root of 136061142 is about 514.3333719283. Note that the first 4 decimals are identical.

The spelling of 136061142 in words is "one hundred thirty-six million, sixty-one thousand, one hundred forty-two".