140636000 has 48 divisors (see below), whose sum is σ = 345552480. Its totient is φ = 56252800.

The previous prime is 140635997. The next prime is 140636003. The reversal of 140636000 is 636041.

It is an interprime number because it is at equal distance from previous prime (140635997) and next prime (140636003).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140636003) by changing a digit.

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, 13580 + ... + 21579.

It is an arithmetic number, because the mean of its divisors is an integer number (7199010).

Almost surely, 2^140636000 is an apocalyptic number.

140636000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140636000 is an abundant number, since it is smaller than the sum of its proper divisors (204916480).

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

140636000 is an equidigital number, since it uses as much as digits as its factorization.

140636000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35184 (or 35166 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 140636000 is about 11859.0050172854. The cubic root of 140636000 is about 520.0345144744.

The spelling of 140636000 in words is "one hundred forty million, six hundred thirty-six thousand".