140833780 has 24 divisors (see below), whose sum is σ = 313148808. Its totient is φ = 53019648.

The previous prime is 140833753. The next prime is 140833783. The reversal of 140833780 is 87338041.

It can be written as a sum of positive squares in 4 ways, for example, as 4691556 + 136142224 = 2166^2 + 11668^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140833783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206769 + ... + 207448.

It is an arithmetic number, because the mean of its divisors is an integer number (13047867).

Almost surely, 2^140833780 is an apocalyptic number.

140833780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140833780 is an abundant number, since it is smaller than the sum of its proper divisors (172315028).

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

140833780 is a wasteful number, since it uses less digits than its factorization.

140833780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414243 (or 414241 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 140833780 is about 11867.3408984490. The cubic root of 140833780 is about 520.2781795607.

The spelling of 140833780 in words is "one hundred forty million, eight hundred thirty-three thousand, seven hundred eighty".