140090448 has 60 divisors (see below), whose sum is σ = 369212480. Its totient is φ = 45771648.

The previous prime is 140090441. The next prime is 140090449. The reversal of 140090448 is 844090041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140090441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134313 + ... + 135351.

Almost surely, 2^140090448 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 140090448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184606240).

140090448 is an abundant number, since it is smaller than the sum of its proper divisors (229122032).

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

140090448 is a wasteful number, since it uses less digits than its factorization.

140090448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 140090448 is about 11835.9810746723. The cubic root of 140090448 is about 519.3612077095.

The spelling of 140090448 in words is "one hundred forty million, ninety thousand, four hundred forty-eight".