140000073408 has 140 divisors (see below), whose sum is σ = 446927681200. Its totient is φ = 43076924928.

The previous prime is 140000073397. The next prime is 140000073419. The reversal of 140000073408 is 804370000041.

It is an interprime number because it is at equal distance from previous prime (140000073397) and next prime (140000073419).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 971308 + ... + 1106091.

It is an arithmetic number, because the mean of its divisors is an integer number (3192340580).

Almost surely, 2^140000073408 is an apocalyptic number.

140000073408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140000073408 is an abundant number, since it is smaller than the sum of its proper divisors (306927607792).

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

140000073408 is a wasteful number, since it uses less digits than its factorization.

140000073408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077436 (or 2077417 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 140000073408 its reverse (804370000041), we get a palindrome (944370073449).

The spelling of 140000073408 in words is "one hundred forty billion, seventy-three thousand, four hundred eight".