1534165642 has 16 divisors (see below), whose sum is σ = 2410248960. Its totient is φ = 730997872.

The previous prime is 1534165639. The next prime is 1534165651. The reversal of 1534165642 is 2465614351.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49618 + ... + 74365.

It is an arithmetic number, because the mean of its divisors is an integer number (150640560).

Almost surely, 2^1534165642 is an apocalyptic number.

1534165642 is a deficient number, since it is larger than the sum of its proper divisors (876083318).

1534165642 is a wasteful number, since it uses less digits than its factorization.

1534165642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124277.

The product of its digits is 86400, while the sum is 37.

The square root of 1534165642 is about 39168.4265959203. The cubic root of 1534165642 is about 1153.3401673742.

Adding to 1534165642 its reverse (2465614351), we get a palindrome (3999779993).

The spelling of 1534165642 in words is "one billion, five hundred thirty-four million, one hundred sixty-five thousand, six hundred forty-two".