140948424 has 80 divisors (see below), whose sum is σ = 396483120. Its totient is φ = 46781280.

The previous prime is 140948407. The next prime is 140948443. The reversal of 140948424 is 424849041.

140948424 is a `hidden beast` number, since 140 + 94 + 8 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 286819 + ... + 287309.

It is an arithmetic number, because the mean of its divisors is an integer number (4956039).

Almost surely, 2^140948424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140948424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198241560).

140948424 is an abundant number, since it is smaller than the sum of its proper divisors (255534696).

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

140948424 is a wasteful number, since it uses less digits than its factorization.

140948424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 140948424 is about 11872.1701470287. The cubic root of 140948424 is about 520.4193166137.

The spelling of 140948424 in words is "one hundred forty million, nine hundred forty-eight thousand, four hundred twenty-four".