140046278556156 has 48 divisors (see below), whose sum is σ = 373489640342784. Its totient is φ = 40009697709696.

The previous prime is 140046278556131. The next prime is 140046278556167. The reversal of 140046278556156 is 651655872640041.

It is a super-2 number, since 2×140046278556156² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 140046278556156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72472650 + ... + 74379953.

It is an arithmetic number, because the mean of its divisors is an integer number (7781034173808).

Almost surely, 2^{140046278556156} is an apocalyptic number.

It is an amenable number.

140046278556156 is an abundant number, since it is smaller than the sum of its proper divisors (233443361786628).

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

140046278556156 is a wasteful number, since it uses less digits than its factorization.

140046278556156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146863970 (or 146863968 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 60.

The spelling of 140046278556156 in words is "one hundred forty trillion, forty-six billion, two hundred seventy-eight million, five hundred fifty-six thousand, one hundred fifty-six".