140830761 has 16 divisors (see below), whose sum is σ = 191396480. Its totient is φ = 92085120.

The previous prime is 140830759. The next prime is 140830763. The reversal of 140830761 is 167038041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140830759) and next prime (140830763).

It is not a de Polignac number, because 140830761 - 2¹ = 140830759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140830763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79461 + ... + 81213.

It is an arithmetic number, because the mean of its divisors is an integer number (11962280).

Almost surely, 2^140830761 is an apocalyptic number.

It is an amenable number.

140830761 is a deficient number, since it is larger than the sum of its proper divisors (50565719).

140830761 is a wasteful number, since it uses less digits than its factorization.

140830761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 140830761 is about 11867.2136999382. The cubic root of 140830761 is about 520.2744618659.

The spelling of 140830761 in words is "one hundred forty million, eight hundred thirty thousand, seven hundred sixty-one".