1315154042 has 16 divisors (see below), whose sum is σ = 1981732992. Its totient is φ = 654583680.

The previous prime is 1315154041. The next prime is 1315154059. The reversal of 1315154042 is 2404515131.

It is not an unprimeable number, because it can be changed into a prime (1315154041) 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, 505898 + ... + 508490.

It is an arithmetic number, because the mean of its divisors is an integer number (123858312).

Almost surely, 2^1315154042 is an apocalyptic number.

1315154042 is a deficient number, since it is larger than the sum of its proper divisors (666578950).

1315154042 is a wasteful number, since it uses less digits than its factorization.

1315154042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1315154042 is about 36265.0526264612. The cubic root of 1315154042 is about 1095.6172835017.

Adding to 1315154042 its reverse (2404515131), we get a palindrome (3719669173).

The spelling of 1315154042 in words is "one billion, three hundred fifteen million, one hundred fifty-four thousand, forty-two".