140498871 has 8 divisors (see below), whose sum is σ = 189437040. Its totient is φ = 92613312.

The previous prime is 140498861. The next prime is 140498909. The reversal of 140498871 is 178894041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140498871 - 2⁶ = 140498807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140498801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262840 + ... + 263373.

It is an arithmetic number, because the mean of its divisors is an integer number (23679630).

Almost surely, 2^140498871 is an apocalyptic number.

140498871 is a deficient number, since it is larger than the sum of its proper divisors (48938169).

140498871 is an equidigital number, since it uses as much as digits as its factorization.

140498871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526305.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 140498871 is about 11853.2219670434. The cubic root of 140498871 is about 519.8654373217.

The spelling of 140498871 in words is "one hundred forty million, four hundred ninety-eight thousand, eight hundred seventy-one".