140434311121302 has 128 divisors (see below), whose sum is σ = 316051058442240. Its totient is φ = 41236601504000.

The previous prime is 140434311121277. The next prime is 140434311121303. The reversal of 140434311121302 is 203121113434041.

It is a super-2 number, since 2×140434311121302² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140434311121302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140434311121303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1366559602 + ... + 1366662362.

It is an arithmetic number, because the mean of its divisors is an integer number (2469148894080).

Almost surely, 2^{140434311121302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140434311121302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158025529221120).

140434311121302 is an abundant number, since it is smaller than the sum of its proper divisors (175616747320938).

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

140434311121302 is a wasteful number, since it uses less digits than its factorization.

140434311121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107850.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 140434311121302 its reverse (203121113434041), we get a palindrome (343555424555343).

The spelling of 140434311121302 in words is "one hundred forty trillion, four hundred thirty-four billion, three hundred eleven million, one hundred twenty-one thousand, three hundred two".