140542351233155 has 4 divisors (see below), whose sum is σ = 168650821479792. Its totient is φ = 112433880986520.

The previous prime is 140542351233107. The next prime is 140542351233157. The reversal of 140542351233155 is 551332153245041.

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

It is a de Polignac number, because none of the positive numbers 2^k-140542351233155 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140542351233157) 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, 14054235123311 + ... + 14054235123320.

It is an arithmetic number, because the mean of its divisors is an integer number (42162705369948).

Almost surely, 2^{140542351233155} is an apocalyptic number.

140542351233155 is a deficient number, since it is larger than the sum of its proper divisors (28108470246637).

140542351233155 is an equidigital number, since it uses as much as digits as its factorization.

140542351233155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28108470246636.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 140542351233155 in words is "one hundred forty trillion, five hundred forty-two billion, three hundred fifty-one million, two hundred thirty-three thousand, one hundred fifty-five".