140890680 has 240 divisors, whose sum is σ = 537455880. Its totient is φ = 32006016.

The previous prime is 140890667. The next prime is 140890693. The reversal of 140890680 is 86098041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140890667) and next prime (140890693).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 864279 + ... + 864441.

Almost surely, 2^140890680 is an apocalyptic number.

140890680 is a gapful number since it is divisible by the number (10) 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 140890680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268727940).

140890680 is an abundant number, since it is smaller than the sum of its proper divisors (396565200).

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

140890680 is a wasteful number, since it uses less digits than its factorization.

140890680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 140890680 is about 11869.7379920536. The cubic root of 140890680 is about 520.3482381372.

The spelling of 140890680 in words is "one hundred forty million, eight hundred ninety thousand, six hundred eighty".