140534340 has 24 divisors (see below), whose sum is σ = 393496320. Its totient is φ = 37475808.

The previous prime is 140534327. The next prime is 140534351. The reversal of 140534340 is 43435041.

It is a self number, because there is not a number n which added to its sum of digits gives 140534340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1171060 + ... + 1171179.

It is an arithmetic number, because the mean of its divisors is an integer number (16395680).

Almost surely, 2^140534340 is an apocalyptic number.

140534340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140534340 is an abundant number, since it is smaller than the sum of its proper divisors (252961980).

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

140534340 is a wasteful number, since it uses less digits than its factorization.

140534340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342251 (or 2342249 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 140534340 is about 11854.7180481022. The cubic root of 140534340 is about 519.9091803915.

Adding to 140534340 its reverse (43435041), we get a palindrome (183969381).

The spelling of 140534340 in words is "one hundred forty million, five hundred thirty-four thousand, three hundred forty".