140998138 has 8 divisors (see below), whose sum is σ = 211597920. Its totient is φ = 70465500.

The previous prime is 140998129. The next prime is 140998147. The reversal of 140998138 is 831899041.

It is an interprime number because it is at equal distance from previous prime (140998129) and next prime (140998147).

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

It is a junction number, because it is equal to n+sod(n) for n = 140998094 and 140998103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11158 + ... + 20161.

It is an arithmetic number, because the mean of its divisors is an integer number (26449740).

Almost surely, 2^140998138 is an apocalyptic number.

140998138 is a deficient number, since it is larger than the sum of its proper divisors (70599782).

140998138 is a wasteful number, since it uses less digits than its factorization.

140998138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33572.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 140998138 is about 11874.2636824352. The cubic root of 140998138 is about 520.4804952207.

The spelling of 140998138 in words is "one hundred forty million, nine hundred ninety-eight thousand, one hundred thirty-eight".