140555135034402 has 64 divisors (see below), whose sum is σ = 313196866818048. Its totient is φ = 41685402032000.

The previous prime is 140555135034401. The next prime is 140555135034491. The reversal of 140555135034402 is 204430531555041.

It is not an unprimeable number, because it can be changed into a prime (140555135034401) 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, 162830902 + ... + 163691822.

It is an arithmetic number, because the mean of its divisors is an integer number (4893701044032).

Almost surely, 2^{140555135034402} is an apocalyptic number.

140555135034402 is an abundant number, since it is smaller than the sum of its proper divisors (172641731783646).

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

140555135034402 is a wasteful number, since it uses less digits than its factorization.

140555135034402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913615.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 140555135034402 its reverse (204430531555041), we get a palindrome (344985666589443).

The spelling of 140555135034402 in words is "one hundred forty trillion, five hundred fifty-five billion, one hundred thirty-five million, thirty-four thousand, four hundred two".