140889294 has 160 divisors (see below), whose sum is σ = 409812480. Its totient is φ = 35131968.

The previous prime is 140889277. The next prime is 140889349. The reversal of 140889294 is 492988041.

140889294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 279847 + ... + 280349.

It is an arithmetic number, because the mean of its divisors is an integer number (2561328).

Almost surely, 2^140889294 is an apocalyptic number.

140889294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140889294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204906240).

140889294 is an abundant number, since it is smaller than the sum of its proper divisors (268923186).

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

140889294 is a wasteful number, since it uses less digits than its factorization.

140889294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 140889294 is about 11869.6796081444. The cubic root of 140889294 is about 520.3465318378.

The spelling of 140889294 in words is "one hundred forty million, eight hundred eighty-nine thousand, two hundred ninety-four".