140791843 has 16 divisors (see below), whose sum is σ = 151498240. Its totient is φ = 130442400.

The previous prime is 140791831. The next prime is 140791853. The reversal of 140791843 is 348197041.

It is a de Polignac number, because none of the positive numbers 2^k-140791843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140791823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383446 + ... + 383812.

It is an arithmetic number, because the mean of its divisors is an integer number (9468640).

Almost surely, 2^140791843 is an apocalyptic number.

140791843 is a deficient number, since it is larger than the sum of its proper divisors (10706397).

140791843 is a wasteful number, since it uses less digits than its factorization.

140791843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 140791843 is about 11865.5738588574. The cubic root of 140791843 is about 520.2265322166.

The spelling of 140791843 in words is "one hundred forty million, seven hundred ninety-one thousand, eight hundred forty-three".