1330153657 has 8 divisors (see below), whose sum is σ = 1551200000. Its totient is φ = 1140131412.

The previous prime is 1330153637. The next prime is 1330153681. The reversal of 1330153657 is 7563510331.

It is a de Polignac number, because none of the positive numbers 2^k-1330153657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330153637) 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, 1938657 + ... + 1939342.

It is an arithmetic number, because the mean of its divisors is an integer number (193900000).

Almost surely, 2^1330153657 is an apocalyptic number.

It is an amenable number.

1330153657 is a deficient number, since it is larger than the sum of its proper divisors (221046343).

1330153657 is an frugal number, since it uses more digits than its factorization.

1330153657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878020 (or 3878006 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 1330153657 is about 36471.2716668887. The cubic root of 1330153657 is about 1099.7667982227.

Adding to 1330153657 its reverse (7563510331), we get a palindrome (8893663988).

The spelling of 1330153657 in words is "one billion, three hundred thirty million, one hundred fifty-three thousand, six hundred fifty-seven".