140115743 has 8 divisors (see below), whose sum is σ = 142236480. Its totient is φ = 138003840.

The previous prime is 140115739. The next prime is 140115757. The reversal of 140115743 is 347511041.

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 140115743 - 2² = 140115739 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 (140115043) 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, 34163 + ... + 38043.

It is an arithmetic number, because the mean of its divisors is an integer number (17779560).

Almost surely, 2^140115743 is an apocalyptic number.

140115743 is a deficient number, since it is larger than the sum of its proper divisors (2120737).

140115743 is an equidigital number, since it uses as much as digits as its factorization.

140115743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 140115743 is about 11837.0495901639. The cubic root of 140115743 is about 519.3924647802.

Adding to 140115743 its reverse (347511041), we get a palindrome (487626784).

The spelling of 140115743 in words is "one hundred forty million, one hundred fifteen thousand, seven hundred forty-three".