140634460 has 24 divisors (see below), whose sum is σ = 295839936. Its totient is φ = 56157120.

The previous prime is 140634401. The next prime is 140634479. The reversal of 140634460 is 64436041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6525 + ... + 17995.

It is an arithmetic number, because the mean of its divisors is an integer number (12326664).

Almost surely, 2^140634460 is an apocalyptic number.

140634460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140634460 is an abundant number, since it is smaller than the sum of its proper divisors (155205476).

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

140634460 is a wasteful number, since it uses less digits than its factorization.

140634460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12093 (or 12091 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 140634460 is about 11858.9400875458. The cubic root of 140634460 is about 520.0326162973.

The spelling of 140634460 in words is "one hundred forty million, six hundred thirty-four thousand, four hundred sixty".