1330877638 has 8 divisors (see below), whose sum is σ = 1999553832. Its totient is φ = 664359696.

The previous prime is 1330877633. The next prime is 1330877641. The reversal of 1330877638 is 8367780331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330877633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538020 + ... + 540487.

It is an arithmetic number, because the mean of its divisors is an integer number (249944229).

Almost surely, 2^1330877638 is an apocalyptic number.

1330877638 is a deficient number, since it is larger than the sum of its proper divisors (668676194).

1330877638 is a wasteful number, since it uses less digits than its factorization.

1330877638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079126.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 1330877638 is about 36481.1956766770. The cubic root of 1330877638 is about 1099.9662904270.

The spelling of 1330877638 in words is "one billion, three hundred thirty million, eight hundred seventy-seven thousand, six hundred thirty-eight".