140421354534 has 24 divisors (see below), whose sum is σ = 314060665152. Its totient is φ = 45297210960.

The previous prime is 140421354511. The next prime is 140421354551. The reversal of 140421354534 is 435453124041.

140421354534 is a `hidden beast` number, since 1 + 40 + 42 + 1 + 3 + 545 + 34 = 666.

It is a congruent number.

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, 125825029 + ... + 125826144.

It is an arithmetic number, because the mean of its divisors is an integer number (13085861048).

Almost surely, 2^140421354534 is an apocalyptic number.

140421354534 is an abundant number, since it is smaller than the sum of its proper divisors (173639310618).

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

140421354534 is a wasteful number, since it uses less digits than its factorization.

140421354534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251651212 (or 251651209 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 140421354534 its reverse (435453124041), we get a palindrome (575874478575).

The spelling of 140421354534 in words is "one hundred forty billion, four hundred twenty-one million, three hundred fifty-four thousand, five hundred thirty-four".