140994156 has 48 divisors (see below), whose sum is σ = 336359520. Its totient is φ = 45957120.

The previous prime is 140994131. The next prime is 140994157. The reversal of 140994156 is 651499041.

140994156 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140994157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102916 + ... + 104276.

It is an arithmetic number, because the mean of its divisors is an integer number (7007490).

Almost surely, 2^140994156 is an apocalyptic number.

It is an amenable number.

140994156 is an abundant number, since it is smaller than the sum of its proper divisors (195365364).

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

140994156 is a wasteful number, since it uses less digits than its factorization.

140994156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 140994156 is about 11874.0960076968. The cubic root of 140994156 is about 520.4755954566.

The spelling of 140994156 in words is "one hundred forty million, nine hundred ninety-four thousand, one hundred fifty-six".