140418209730 has 64 divisors (see below), whose sum is σ = 356977031040. Its totient is φ = 35227444224.

The previous prime is 140418209681. The next prime is 140418209731. The reversal of 140418209730 is 37902814041.

It is not an unprimeable number, because it can be changed into a prime (140418209731) 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, 1186381 + ... + 1299359.

It is an arithmetic number, because the mean of its divisors is an integer number (5577766110).

Almost surely, 2^140418209730 is an apocalyptic number.

140418209730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140418209730 is an abundant number, since it is smaller than the sum of its proper divisors (216558821310).

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

140418209730 is a wasteful number, since it uses less digits than its factorization.

140418209730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115443.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 140418209730 in words is "one hundred forty billion, four hundred eighteen million, two hundred nine thousand, seven hundred thirty".