140026137 has 4 divisors (see below), whose sum is σ = 186701520. Its totient is φ = 93350756.

The previous prime is 140026121. The next prime is 140026147. The reversal of 140026137 is 731620041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140026137 - 2⁴ = 140026121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140026147) 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, 23337687 + ... + 23337692.

It is an arithmetic number, because the mean of its divisors is an integer number (46675380).

Almost surely, 2^140026137 is an apocalyptic number.

It is an amenable number.

140026137 is a deficient number, since it is larger than the sum of its proper divisors (46675383).

140026137 is an equidigital number, since it uses as much as digits as its factorization.

140026137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46675382.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 140026137 is about 11833.2640044917. The cubic root of 140026137 is about 519.2817215597.

Adding to 140026137 its reverse (731620041), we get a palindrome (871646178).

The spelling of 140026137 in words is "one hundred forty million, twenty-six thousand, one hundred thirty-seven".