140155430220015 has 32 divisors (see below), whose sum is σ = 259371976905216. Its totient is φ = 63299113403520.

The previous prime is 140155430219969. The next prime is 140155430220037. The reversal of 140155430220015 is 510022034551041.

It is not a de Polignac number, because 140155430220015 - 2¹⁴ = 140155430203631 is a prime.

It is a super-2 number, since 2×140155430220015² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8041037196 + ... + 8041054625.

It is an arithmetic number, because the mean of its divisors is an integer number (8105374278288).

Almost surely, 2^{140155430220015} is an apocalyptic number.

140155430220015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140155430220015 is a deficient number, since it is larger than the sum of its proper divisors (119216546685201).

140155430220015 is a wasteful number, since it uses less digits than its factorization.

140155430220015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16082091919.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 140155430220015 its reverse (510022034551041), we get a palindrome (650177464771056).

The spelling of 140155430220015 in words is "one hundred forty trillion, one hundred fifty-five billion, four hundred thirty million, two hundred twenty thousand, fifteen".