140014297640 has 96 divisors (see below), whose sum is σ = 379983674880. Its totient is φ = 45478295424.

The previous prime is 140014297627. The next prime is 140014297649. The reversal of 140014297640 is 46792410041.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 140014297594 and 140014297603.

It is not an unprimeable number, because it can be changed into a prime (140014297649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 591512 + ... + 793671.

It is an arithmetic number, because the mean of its divisors is an integer number (3958163280).

Almost surely, 2^140014297640 is an apocalyptic number.

140014297640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140014297640 is an abundant number, since it is smaller than the sum of its proper divisors (239969377240).

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

140014297640 is a wasteful number, since it uses less digits than its factorization.

140014297640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385239 (or 1385216 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 140014297640 in words is "one hundred forty billion, fourteen million, two hundred ninety-seven thousand, six hundred forty".