140634585 has 96 divisors (see below), whose sum is σ = 305480448. Its totient is φ = 58268160.

The previous prime is 140634563. The next prime is 140634617. The reversal of 140634585 is 585436041.

It is a happy number.

140634585 is a `hidden beast` number, since 1 + 40 + 6 + 34 + 585 = 666.

140634585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140634585 - 2¹⁵ = 140601817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 249514 + ... + 250076.

It is an arithmetic number, because the mean of its divisors is an integer number (3182088).

Almost surely, 2^140634585 is an apocalyptic number.

140634585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140634585 is an abundant number, since it is smaller than the sum of its proper divisors (164845863).

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

140634585 is a wasteful number, since it uses less digits than its factorization.

140634585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 140634585 is about 11858.9453578301. The cubic root of 140634585 is about 520.0327703707.

The spelling of 140634585 in words is "one hundred forty million, six hundred thirty-four thousand, five hundred eighty-five".