140045387767 has 4 divisors (see below), whose sum is σ = 140046143776. Its totient is φ = 140044631760.

The previous prime is 140045387761. The next prime is 140045387789. The reversal of 140045387767 is 767783540041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 140045387767 - 2³ = 140045387759 is a prime.

It is a super-2 number, since 2×140045387767² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140045387761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109042 + ... + 540352.

It is an arithmetic number, because the mean of its divisors is an integer number (35011535944).

Almost surely, 2^140045387767 is an apocalyptic number.

140045387767 is a deficient number, since it is larger than the sum of its proper divisors (756009).

140045387767 is an equidigital number, since it uses as much as digits as its factorization.

140045387767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756008.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 140045387767 in words is "one hundred forty billion, forty-five million, three hundred eighty-seven thousand, seven hundred sixty-seven".