140255136 has 144 divisors (see below), whose sum is σ = 471744000. Its totient is φ = 38674944.

The previous prime is 140255077. The next prime is 140255147. The reversal of 140255136 is 631552041.

140255136 is a `hidden beast` number, since 140 + 2 + 5 + 513 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57265 + ... + 59663.

It is an arithmetic number, because the mean of its divisors is an integer number (3276000).

Almost surely, 2^140255136 is an apocalyptic number.

140255136 is a gapful number since it is divisible by the number (16) 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 140255136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235872000).

140255136 is an abundant number, since it is smaller than the sum of its proper divisors (331488864).

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

140255136 is a wasteful number, since it uses less digits than its factorization.

140255136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451 (or 2440 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 140255136 is about 11842.9361224318. The cubic root of 140255136 is about 519.5646454760.

The spelling of 140255136 in words is "one hundred forty million, two hundred fifty-five thousand, one hundred thirty-six".