140056428142506 has 64 divisors (see below), whose sum is σ = 294009651763200. Its totient is φ = 44417105342400.

The previous prime is 140056428142289. The next prime is 140056428142523. The reversal of 140056428142506 is 605241824650041.

It is a Curzon 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, 20196421 + ... + 26229911.

It is an arithmetic number, because the mean of its divisors is an integer number (4593900808800).

Almost surely, 2^{140056428142506} is an apocalyptic number.

140056428142506 is an abundant number, since it is smaller than the sum of its proper divisors (153953223620694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140056428142506 is a wasteful number, since it uses less digits than its factorization.

140056428142506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035475.

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 140056428142506 in words is "one hundred forty trillion, fifty-six billion, four hundred twenty-eight million, one hundred forty-two thousand, five hundred six".