140215426164 has 120 divisors (see below), whose sum is σ = 400131798528. Its totient is φ = 42462092160.

The previous prime is 140215426157. The next prime is 140215426177. The reversal of 140215426164 is 461624512041.

140215426164 is a `hidden beast` number, since 1 + 4 + 0 + 215 + 426 + 16 + 4 = 666.

140215426164 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5893677 + ... + 5917419.

Almost surely, 2^140215426164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140215426164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200065899264).

140215426164 is an abundant number, since it is smaller than the sum of its proper divisors (259916372364).

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

140215426164 is a wasteful number, since it uses less digits than its factorization.

140215426164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25427 (or 25416 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 140215426164 in words is "one hundred forty billion, two hundred fifteen million, four hundred twenty-six thousand, one hundred sixty-four".