140826137 has 4 divisors (see below), whose sum is σ = 142072500. Its totient is φ = 139579776.

The previous prime is 140826089. The next prime is 140826187. The reversal of 140826137 is 731628041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39300361 + 101525776 = 6269^2 + 10076^2 .

It is a cyclic number.

It is not a de Polignac number, because 140826137 - 2¹² = 140822041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140826187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623012 + ... + 623237.

It is an arithmetic number, because the mean of its divisors is an integer number (35518125).

Almost surely, 2^140826137 is an apocalyptic number.

It is an amenable number.

140826137 is a deficient number, since it is larger than the sum of its proper divisors (1246363).

140826137 is a wasteful number, since it uses less digits than its factorization.

140826137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246362.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 140826137 is about 11867.0188758593. The cubic root of 140826137 is about 520.2687676188.

The spelling of 140826137 in words is "one hundred forty million, eight hundred twenty-six thousand, one hundred thirty-seven".