140897088 has 84 divisors (see below), whose sum is σ = 427642020. Its totient is φ = 44199936.

The previous prime is 140897063. The next prime is 140897123. The reversal of 140897088 is 880798041.

It can be written as a sum of positive squares in 2 ways, for example, as 75481344 + 65415744 = 8688^2 + 8088^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2598 + ... + 16986.

Almost surely, 2^140897088 is an apocalyptic number.

140897088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140897088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213821010).

140897088 is an abundant number, since it is smaller than the sum of its proper divisors (286744932).

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

140897088 is a wasteful number, since it uses less digits than its factorization.

140897088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14424 (or 14411 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 140897088 is about 11870.0079191212. The cubic root of 140897088 is about 520.3561268562.

The spelling of 140897088 in words is "one hundred forty million, eight hundred ninety-seven thousand, eighty-eight".