140780232 has 24 divisors (see below), whose sum is σ = 381279990. Its totient is φ = 46926720.

The previous prime is 140780197. The next prime is 140780249. The reversal of 140780232 is 232087041.

It can be written as a sum of positive squares in only one way, i.e., 110376036 + 30404196 = 10506^2 + 5514^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 140780196 and 140780205.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 977569 + ... + 977712.

Almost surely, 2^140780232 is an apocalyptic number.

140780232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140780232 is an abundant number, since it is smaller than the sum of its proper divisors (240499758).

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

140780232 is a wasteful number, since it uses less digits than its factorization.

140780232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955293 (or 1955286 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 140780232 is about 11865.0845761840. The cubic root of 140780232 is about 520.2122309233.

The spelling of 140780232 in words is "one hundred forty million, seven hundred eighty thousand, two hundred thirty-two".