1537402042 has 24 divisors (see below), whose sum is σ = 2540632500. Its totient is φ = 697213440.

The previous prime is 1537402019. The next prime is 1537402057. The reversal of 1537402042 is 2402047351.

It can be written as a sum of positive squares in 2 ways, for example, as 1383170481 + 154231561 = 37191^2 + 12419^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1537402042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101584 + ... + 115732.

Almost surely, 2^1537402042 is an apocalyptic number.

1537402042 is a deficient number, since it is larger than the sum of its proper divisors (1003230458).

1537402042 is a wasteful number, since it uses less digits than its factorization.

1537402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14622 (or 14611 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1537402042 is about 39209.7187187054. The cubic root of 1537402042 is about 1154.1506075543.

Adding to 1537402042 its reverse (2402047351), we get a palindrome (3939449393).

The spelling of 1537402042 in words is "one billion, five hundred thirty-seven million, four hundred two thousand, forty-two".