140312351352 has 128 divisors (see below), whose sum is σ = 362430028800. Its totient is φ = 45239040000.

The previous prime is 140312351293. The next prime is 140312351353. The reversal of 140312351352 is 253153213041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140312351353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59027988 + ... + 59030364.

It is an arithmetic number, because the mean of its divisors is an integer number (2831484600).

Almost surely, 2^140312351352 is an apocalyptic number.

140312351352 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 140312351352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181215014400).

140312351352 is an abundant number, since it is smaller than the sum of its proper divisors (222117677448).

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

140312351352 is a wasteful number, since it uses less digits than its factorization.

140312351352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917 (or 2913 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 140312351352 its reverse (253153213041), we get a palindrome (393465564393).

The spelling of 140312351352 in words is "one hundred forty billion, three hundred twelve million, three hundred fifty-one thousand, three hundred fifty-two".