140601621512 has 48 divisors (see below), whose sum is σ = 290394402480. Its totient is φ = 63772771040.

The previous prime is 140601621491. The next prime is 140601621547. The reversal of 140601621512 is 215126106041.

It is a super-2 number, since 2×140601621512² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 296543 + ... + 607569.

It is an arithmetic number, because the mean of its divisors is an integer number (6049883385).

Almost surely, 2^140601621512 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 140601621512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145197201240).

140601621512 is an abundant number, since it is smaller than the sum of its proper divisors (149792780968).

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

140601621512 is a wasteful number, since it uses less digits than its factorization.

140601621512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311522 (or 311507 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 140601621512 its reverse (215126106041), we get a palindrome (355727727553).

The spelling of 140601621512 in words is "one hundred forty billion, six hundred one million, six hundred twenty-one thousand, five hundred twelve".