140436566728754 has 16 divisors (see below), whose sum is σ = 217920623097600. Its totient is φ = 67796399310864.

The previous prime is 140436566728753. The next prime is 140436566728763. The reversal of 140436566728754 is 457827665634041.

It is a super-2 number, since 2×140436566728754² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140436566728753) 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, 2994914 + ... + 17024765.

It is an arithmetic number, because the mean of its divisors is an integer number (13620038943600).

Almost surely, 2^{140436566728754} is an apocalyptic number.

140436566728754 is a deficient number, since it is larger than the sum of its proper divisors (77484056368846).

140436566728754 is a wasteful number, since it uses less digits than its factorization.

140436566728754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20140657.

The product of its (nonzero) digits is 812851200, while the sum is 68.

The spelling of 140436566728754 in words is "one hundred forty trillion, four hundred thirty-six billion, five hundred sixty-six million, seven hundred twenty-eight thousand, seven hundred fifty-four".