140310344551 has 4 divisors (see below), whose sum is σ = 151103447992. Its totient is φ = 129517241112.

The previous prime is 140310344491. The next prime is 140310344561. The reversal of 140310344551 is 155443013041.

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 140310344551 - 2⁹ = 140310344039 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 (140310344561) 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, 5396551701 + ... + 5396551726.

It is an arithmetic number, because the mean of its divisors is an integer number (37775861998).

Almost surely, 2^140310344551 is an apocalyptic number.

140310344551 is a deficient number, since it is larger than the sum of its proper divisors (10793103441).

140310344551 is a wasteful number, since it uses less digits than its factorization.

140310344551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10793103440.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 140310344551 its reverse (155443013041), we get a palindrome (295753357592).

The spelling of 140310344551 in words is "one hundred forty billion, three hundred ten million, three hundred forty-four thousand, five hundred fifty-one".