140836137 has 32 divisors (see below), whose sum is σ = 208779648. Its totient is φ = 83897856.

The previous prime is 140836103. The next prime is 140836159. The reversal of 140836137 is 731638041.

140836137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140836137 - 2¹⁴ = 140819753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140836098 and 140836107.

It is not an unprimeable number, because it can be changed into a prime (140836187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229443 + ... + 230055.

It is an arithmetic number, because the mean of its divisors is an integer number (6524364).

Almost surely, 2^140836137 is an apocalyptic number.

It is an amenable number.

140836137 is a deficient number, since it is larger than the sum of its proper divisors (67943511).

140836137 is a wasteful number, since it uses less digits than its factorization.

140836137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 140836137 is about 11867.4402041889. The cubic root of 140836137 is about 520.2810820103.

The spelling of 140836137 in words is "one hundred forty million, eight hundred thirty-six thousand, one hundred thirty-seven".