1335657091 has 2 divisors, whose sum is σ = 1335657092. Its totient is φ = 1335657090.

The previous prime is 1335657077. The next prime is 1335657097. The reversal of 1335657091 is 1907565331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1335657091 - 2¹¹ = 1335655043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1335657097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667828545 + 667828546.

It is an arithmetic number, because the mean of its divisors is an integer number (667828546).

Almost surely, 2^1335657091 is an apocalyptic number.

1335657091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1335657091 is an equidigital number, since it uses as much as digits as its factorization.

1335657091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 1335657091 is about 36546.6426775429. The cubic root of 1335657091 is about 1101.2814517643.

The spelling of 1335657091 in words is "one billion, three hundred thirty-five million, six hundred fifty-seven thousand, ninety-one".