63138075130 has 16 divisors (see below), whose sum is σ = 122390730504. Its totient is φ = 23312520000.

The previous prime is 63138075113. The next prime is 63138075151. The reversal of 63138075130 is 3157083136.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 54796723569 + 8341351561 = 234087^2 + 91331^2 .

It is a super-2 number, since 2×63138075130² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63138075130.

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, 242838621 + ... + 242838880.

Almost surely, 2^63138075130 is an apocalyptic number.

63138075130 is a deficient number, since it is larger than the sum of its proper divisors (59252655374).

63138075130 is a wasteful number, since it uses less digits than its factorization.

63138075130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485677521.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 63138075130 in words is "sixty-three billion, one hundred thirty-eight million, seventy-five thousand, one hundred thirty".