140155430220151 has 4 divisors (see below), whose sum is σ = 140157242519400. Its totient is φ = 140153617920904.

The previous prime is 140155430220133. The next prime is 140155430220187. The reversal of 140155430220151 is 151022034551041.

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 140155430220151 - 2²¹ = 140155428122999 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 (140155430220121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906033616 + ... + 906188293.

It is an arithmetic number, because the mean of its divisors is an integer number (35039310629850).

Almost surely, 2^{140155430220151} is an apocalyptic number.

140155430220151 is a deficient number, since it is larger than the sum of its proper divisors (1812299249).

140155430220151 is an equidigital number, since it uses as much as digits as its factorization.

140155430220151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812299248.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 140155430220151 its reverse (151022034551041), we get a palindrome (291177464771192).

The spelling of 140155430220151 in words is "one hundred forty trillion, one hundred fifty-five billion, four hundred thirty million, two hundred twenty thousand, one hundred fifty-one".