1535045394 has 16 divisors (see below), whose sum is σ = 3071775168. Its totient is φ = 511401072.

The previous prime is 1535045353. The next prime is 1535045399. The reversal of 1535045394 is 4935405351.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1535045399) 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, 58177 + ... + 80340.

It is an arithmetic number, because the mean of its divisors is an integer number (191985948).

Almost surely, 2^1535045394 is an apocalyptic number.

1535045394 is an abundant number, since it is smaller than the sum of its proper divisors (1536729774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1535045394 is a wasteful number, since it uses less digits than its factorization.

1535045394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140369.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 1535045394 is about 39179.6553583617. The cubic root of 1535045394 is about 1153.5605823901.

The spelling of 1535045394 in words is "one billion, five hundred thirty-five million, forty-five thousand, three hundred ninety-four".