1335690257 has 4 divisors (see below), whose sum is σ = 1457116656. Its totient is φ = 1214263860.

The previous prime is 1335690241. The next prime is 1335690277. The reversal of 1335690257 is 7520965331.

It is a happy number.

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 1335690257 - 2⁴ = 1335690241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1335690277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60713183 + ... + 60713204.

It is an arithmetic number, because the mean of its divisors is an integer number (364279164).

Almost surely, 2^1335690257 is an apocalyptic number.

It is an amenable number.

1335690257 is a deficient number, since it is larger than the sum of its proper divisors (121426399).

1335690257 is a wasteful number, since it uses less digits than its factorization.

1335690257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121426398.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 1335690257 is about 36547.0964236559. The cubic root of 1335690257 is about 1101.2905670775.

The spelling of 1335690257 in words is "one billion, three hundred thirty-five million, six hundred ninety thousand, two hundred fifty-seven".