140648234015 has 4 divisors (see below), whose sum is σ = 168777880824. Its totient is φ = 112518587208.

The previous prime is 140648234011. The next prime is 140648234033. The reversal of 140648234015 is 510432846041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140648234015 - 2² = 140648234011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140648234015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140648234011) 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, 14064823397 + ... + 14064823406.

It is an arithmetic number, because the mean of its divisors is an integer number (42194470206).

Almost surely, 2^140648234015 is an apocalyptic number.

140648234015 is a deficient number, since it is larger than the sum of its proper divisors (28129646809).

140648234015 is an equidigital number, since it uses as much as digits as its factorization.

140648234015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28129646808.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 140648234015 in words is "one hundred forty billion, six hundred forty-eight million, two hundred thirty-four thousand, fifteen".