140155440121045 has 32 divisors (see below), whose sum is σ = 173616026330880. Its totient is φ = 108565036608000.

The previous prime is 140155440121003. The next prime is 140155440121057. The reversal of 140155440121045 is 540121044551041.

It is a de Polignac number, because none of the positive numbers 2^k-140155440121045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140155440120995 and 140155440121013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18107865 + ... + 24661825.

It is an arithmetic number, because the mean of its divisors is an integer number (5425500822840).

Almost surely, 2^{140155440121045} is an apocalyptic number.

It is an amenable number.

140155440121045 is a deficient number, since it is larger than the sum of its proper divisors (33460586209835).

140155440121045 is a wasteful number, since it uses less digits than its factorization.

140155440121045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555117.

The product of its (nonzero) digits is 64000, while the sum is 37.

Adding to 140155440121045 its reverse (540121044551041), we get a palindrome (680276484672086).

The spelling of 140155440121045 in words is "one hundred forty trillion, one hundred fifty-five billion, four hundred forty million, one hundred twenty-one thousand, forty-five".