140750013978 has 48 divisors (see below), whose sum is σ = 350045854080. Its totient is φ = 40038673248.

The previous prime is 140750013967. The next prime is 140750014001. The reversal of 140750013978 is 879310057041.

140750013978 is a `hidden beast` number, since 1 + 4 + 0 + 7 + 500 + 139 + 7 + 8 = 666.

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, 2410150 + ... + 2467857.

It is an arithmetic number, because the mean of its divisors is an integer number (7292621960).

Almost surely, 2^140750013978 is an apocalyptic number.

140750013978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

140750013978 is an abundant number, since it is smaller than the sum of its proper divisors (209295840102).

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

140750013978 is a wasteful number, since it uses less digits than its factorization.

140750013978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878251 (or 4878248 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 140750013978 in words is "one hundred forty billion, seven hundred fifty million, thirteen thousand, nine hundred seventy-eight".