140631351552 has 144 divisors (see below), whose sum is σ = 424720961280. Its totient is φ = 45879625728.

The previous prime is 140631351527. The next prime is 140631351587. The reversal of 140631351552 is 255153136041.

140631351552 is a `hidden beast` number, since 1 + 4 + 0 + 631 + 3 + 5 + 15 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108418 + ... + 541310.

It is an arithmetic number, because the mean of its divisors is an integer number (2949451120).

Almost surely, 2^140631351552 is an apocalyptic number.

140631351552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140631351552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212360480640).

140631351552 is an abundant number, since it is smaller than the sum of its proper divisors (284089609728).

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

140631351552 is an equidigital number, since it uses as much as digits as its factorization.

140631351552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432965 (or 432945 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 140631351552 its reverse (255153136041), we get a palindrome (395784487593).

The spelling of 140631351552 in words is "one hundred forty billion, six hundred thirty-one million, three hundred fifty-one thousand, five hundred fifty-two".