268137353 has 4 divisors (see below), whose sum is σ = 292513488. Its totient is φ = 243761220.

The previous prime is 268137343. The next prime is 268137377. The reversal of 268137353 is 353731862.

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 268137353 - 2¹⁴ = 268120969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268137343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12188051 + ... + 12188072.

It is an arithmetic number, because the mean of its divisors is an integer number (73128372).

Almost surely, 2^268137353 is an apocalyptic number.

It is an amenable number.

268137353 is a deficient number, since it is larger than the sum of its proper divisors (24376135).

268137353 is a wasteful number, since it uses less digits than its factorization.

268137353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24376134.

The product of its digits is 90720, while the sum is 38.

The square root of 268137353 is about 16374.9000912983. The cubic root of 268137353 is about 644.8406977939.

The spelling of 268137353 in words is "two hundred sixty-eight million, one hundred thirty-seven thousand, three hundred fifty-three".