140661461461122 has 192 divisors, whose sum is σ = 354152003272704. Its totient is φ = 39521240478720.

The previous prime is 140661461461099. The next prime is 140661461461153. The reversal of 140661461461122 is 221164164166041.

140661461461122 is a `hidden beast` number, since 1 + 4 + 0 + 6 + 6 + 1 + 4 + 6 + 1 + 4 + 611 + 22 = 666.

It is a super-2 number, since 2×140661461461122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 943259347 + ... + 943408457.

It is an arithmetic number, because the mean of its divisors is an integer number (1844541683712).

Almost surely, 2^{140661461461122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140661461461122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177076001636352).

140661461461122 is an abundant number, since it is smaller than the sum of its proper divisors (213490541811582).

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

140661461461122 is a wasteful number, since it uses less digits than its factorization.

140661461461122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149773 (or 149770 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 140661461461122 in words is "one hundred forty trillion, six hundred sixty-one billion, four hundred sixty-one million, four hundred sixty-one thousand, one hundred twenty-two".