140973940 has 12 divisors (see below), whose sum is σ = 296045316. Its totient is φ = 56389568.

The previous prime is 140973919. The next prime is 140973961. The reversal of 140973940 is 49379041.

140973940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140973919) and next prime (140973961).

It can be written as a sum of positive squares in 2 ways, for example, as 74028816 + 66945124 = 8604^2 + 8182^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140973940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3524329 + ... + 3524368.

It is an arithmetic number, because the mean of its divisors is an integer number (24670443).

Almost surely, 2^140973940 is an apocalyptic number.

140973940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140973940 is an abundant number, since it is smaller than the sum of its proper divisors (155071376).

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

140973940 is a wasteful number, since it uses less digits than its factorization.

140973940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048706 (or 7048704 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 140973940 is about 11873.2447123775. The cubic root of 140973940 is about 520.4507186866.

The spelling of 140973940 in words is "one hundred forty million, nine hundred seventy-three thousand, nine hundred forty".