140780239 has 8 divisors (see below), whose sum is σ = 145854000. Its totient is φ = 135721152.

The previous prime is 140780197. The next prime is 140780249. The reversal of 140780239 is 932087041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140780239 - 2¹⁷ = 140649167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140780249) 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, 18147 + ... + 24715.

It is an arithmetic number, because the mean of its divisors is an integer number (18231750).

Almost surely, 2^140780239 is an apocalyptic number.

140780239 is a deficient number, since it is larger than the sum of its proper divisors (5073761).

140780239 is an equidigital number, since it uses as much as digits as its factorization.

140780239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 140780239 is about 11865.0848711672. The cubic root of 140780239 is about 520.2122395454.

The spelling of 140780239 in words is "one hundred forty million, seven hundred eighty thousand, two hundred thirty-nine".