140136415146 has 256 divisors, whose sum is σ = 411558174720. Its totient is φ = 34293611520.

The previous prime is 140136415073. The next prime is 140136415147. The reversal of 140136415146 is 641514631041.

140136415146 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 3 + 641 + 5 + 1 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 140136415146.

It is not an unprimeable number, because it can be changed into a prime (140136415147) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5919385 + ... + 5943011.

It is an arithmetic number, because the mean of its divisors is an integer number (1607649120).

Almost surely, 2^140136415146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140136415146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205779087360).

140136415146 is an abundant number, since it is smaller than the sum of its proper divisors (271421759574).

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

140136415146 is a wasteful number, since it uses less digits than its factorization.

140136415146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23746 (or 23740 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 140136415146 in words is "one hundred forty billion, one hundred thirty-six million, four hundred fifteen thousand, one hundred forty-six".