214068154140 has 72 divisors (see below), whose sum is σ = 649541456928. Its totient is φ = 57067136640.

The previous prime is 214068154099. The next prime is 214068154163. The reversal of 214068154140 is 41451860412.

214068154140 is a `hidden beast` number, since 2 + 14 + 0 + 68 + 1 + 541 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 214068154095 and 214068154104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 402745 + ... + 768335.

It is an arithmetic number, because the mean of its divisors is an integer number (9021409124).

Almost surely, 2^214068154140 is an apocalyptic number.

214068154140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214068154140 is an abundant number, since it is smaller than the sum of its proper divisors (435473302788).

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

214068154140 is a wasteful number, since it uses less digits than its factorization.

214068154140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368859 (or 368854 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 214068154140 in words is "two hundred fourteen billion, sixty-eight million, one hundred fifty-four thousand, one hundred forty".