140120540535215 has 8 divisors (see below), whose sum is σ = 168150862346208. Its totient is φ = 112092289958880.

The previous prime is 140120540535203. The next prime is 140120540535247. The reversal of 140120540535215 is 512535045021041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140120540535215 - 2²⁴ = 140120523757999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517659827 + ... + 517930436.

It is an arithmetic number, because the mean of its divisors is an integer number (21018857793276).

Almost surely, 2^{140120540535215} is an apocalyptic number.

140120540535215 is a deficient number, since it is larger than the sum of its proper divisors (28030321810993).

140120540535215 is a wasteful number, since it uses less digits than its factorization.

140120540535215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035617329.

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 140120540535215 its reverse (512535045021041), we get a palindrome (652655585556256).

The spelling of 140120540535215 in words is "one hundred forty trillion, one hundred twenty billion, five hundred forty million, five hundred thirty-five thousand, two hundred fifteen".