140749982 has 24 divisors (see below), whose sum is σ = 221613768. Its totient is φ = 67026960.

The previous prime is 140749981. The next prime is 140749991. The reversal of 140749982 is 289947041.

140749982 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140749981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128228 + ... + 129320.

It is an arithmetic number, because the mean of its divisors is an integer number (9233907).

Almost surely, 2^140749982 is an apocalyptic number.

140749982 is a deficient number, since it is larger than the sum of its proper divisors (80863786).

140749982 is a wasteful number, since it uses less digits than its factorization.

140749982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 140749982 is about 11863.8097590951. The cubic root of 140749982 is about 520.1749682409.

The spelling of 140749982 in words is "one hundred forty million, seven hundred forty-nine thousand, nine hundred eighty-two".