140005698 has 16 divisors (see below), whose sum is σ = 320013120. Its totient is φ = 40001616.

The previous prime is 140005687. The next prime is 140005709. The reversal of 140005698 is 896500041.

It is an interprime number because it is at equal distance from previous prime (140005687) and next prime (140005709).

140005698 is a modest number, since divided by 5698 gives 140 as remainder.

It is a Curzon number.

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, 1666693 + ... + 1666776.

It is an arithmetic number, because the mean of its divisors is an integer number (20000820).

Almost surely, 2^140005698 is an apocalyptic number.

140005698 is an abundant number, since it is smaller than the sum of its proper divisors (180007422).

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

140005698 is a wasteful number, since it uses less digits than its factorization.

140005698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333481.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 140005698 is about 11832.4003481965. The cubic root of 140005698 is about 519.2564545732.

The spelling of 140005698 in words is "one hundred forty million, five thousand, six hundred ninety-eight".