140749120513 has 8 divisors (see below), whose sum is σ = 141499975176. Its totient is φ = 140000256000.

The previous prime is 140749120507. The next prime is 140749120559. The reversal of 140749120513 is 315021947041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 75577157569 + 65171962944 = 274913^2 + 255288^2 .

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 140749120513 - 2²⁵ = 140715566081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140749120583) 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, 355608 + ... + 638713.

It is an arithmetic number, because the mean of its divisors is an integer number (17687496897).

Almost surely, 2^140749120513 is an apocalyptic number.

It is an amenable number.

140749120513 is a deficient number, since it is larger than the sum of its proper divisors (750854663).

140749120513 is an equidigital number, since it uses as much as digits as its factorization.

140749120513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995075.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 140749120513 in words is "one hundred forty billion, seven hundred forty-nine million, one hundred twenty thousand, five hundred thirteen".