1345528994 has 8 divisors (see below), whose sum is σ = 2018846208. Its totient is φ = 672580260.

The previous prime is 1345528973. The next prime is 1345528999. The reversal of 1345528994 is 4998255431.

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

It is not an unprimeable number, because it can be changed into a prime (1345528999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82802 + ... + 97709.

It is an arithmetic number, because the mean of its divisors is an integer number (252355776).

Almost surely, 2^1345528994 is an apocalyptic number.

1345528994 is a deficient number, since it is larger than the sum of its proper divisors (673317214).

1345528994 is a wasteful number, since it uses less digits than its factorization.

1345528994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184240.

The product of its digits is 1555200, while the sum is 50.

The square root of 1345528994 is about 36681.4529973937. The cubic root of 1345528994 is about 1103.9880018869.

The spelling of 1345528994 in words is "one billion, three hundred forty-five million, five hundred twenty-eight thousand, nine hundred ninety-four".