140390743 has 8 divisors (see below), whose sum is σ = 152106768. Its totient is φ = 129058944.

The previous prime is 140390717. The next prime is 140390771. The reversal of 140390743 is 347093041.

140390743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140390743 - 2¹⁷ = 140259671 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 (140391743) 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, 95296 + ... + 96757.

It is an arithmetic number, because the mean of its divisors is an integer number (19013346).

Almost surely, 2^140390743 is an apocalyptic number.

140390743 is a deficient number, since it is larger than the sum of its proper divisors (11716025).

140390743 is a wasteful number, since it uses less digits than its factorization.

140390743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192113.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 140390743 is about 11848.6599664266. The cubic root of 140390743 is about 519.7320401965.

The spelling of 140390743 in words is "one hundred forty million, three hundred ninety thousand, seven hundred forty-three".