140998137 has 24 divisors (see below), whose sum is σ = 225752832. Its totient is φ = 77968800.

The previous prime is 140998129. The next prime is 140998147. The reversal of 140998137 is 731899041.

It is a happy number.

It is not a de Polignac number, because 140998137 - 2³ = 140998129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140998127) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10914 + ... + 20027.

It is an arithmetic number, because the mean of its divisors is an integer number (9406368).

Almost surely, 2^140998137 is an apocalyptic number.

It is an amenable number.

140998137 is a deficient number, since it is larger than the sum of its proper divisors (84754695).

140998137 is a wasteful number, since it uses less digits than its factorization.

140998137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30989 (or 30982 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 140998137 is about 11874.2636403273. The cubic root of 140998137 is about 520.4804939902.

The spelling of 140998137 in words is "one hundred forty million, nine hundred ninety-eight thousand, one hundred thirty-seven".