140969880 has 96 divisors (see below), whose sum is σ = 465987600. Its totient is φ = 36949248.

The previous prime is 140969869. The next prime is 140969903. The reversal of 140969880 is 88969041.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17922 + ... + 24558.

Almost surely, 2^140969880 is an apocalyptic number.

140969880 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 140969880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232993800).

140969880 is an abundant number, since it is smaller than the sum of its proper divisors (325017720).

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

140969880 is a wasteful number, since it uses less digits than its factorization.

140969880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6713 (or 6706 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 140969880 is about 11873.0737385060. The cubic root of 140969880 is about 520.4457223726.

It can be divided in two parts, 1409 and 69880, that added together give a square (71289 = 267²).

The spelling of 140969880 in words is "one hundred forty million, nine hundred sixty-nine thousand, eight hundred eighty".