248135137 has 8 divisors (see below), whose sum is σ = 255879936. Its totient is φ = 240493152.

The previous prime is 248135123. The next prime is 248135149. The reversal of 248135137 is 731531842.

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

It is a cyclic number.

It is not a de Polignac number, because 248135137 - 2²⁷ = 113917409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248135177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20788 + ... + 30469.

It is an arithmetic number, because the mean of its divisors is an integer number (31984992).

Almost surely, 2^248135137 is an apocalyptic number.

It is an amenable number.

248135137 is a deficient number, since it is larger than the sum of its proper divisors (7744799).

248135137 is a wasteful number, since it uses less digits than its factorization.

248135137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51407.

The product of its digits is 20160, while the sum is 34.

The square root of 248135137 is about 15752.3057677281. The cubic root of 248135137 is about 628.3902271646.

Adding to 248135137 its reverse (731531842), we get a palindrome (979666979).

The spelling of 248135137 in words is "two hundred forty-eight million, one hundred thirty-five thousand, one hundred thirty-seven".