63137412 has 36 divisors (see below), whose sum is σ = 171875340. Its totient is φ = 19426752.

The previous prime is 63137411. The next prime is 63137413. The reversal of 63137412 is 21473136.

It is an interprime number because it is at equal distance from previous prime (63137411) and next prime (63137413).

It can be written as a sum of positive squares in 2 ways, for example, as 10342656 + 52794756 = 3216^2 + 7266^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (63137411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66987 + ... + 67922.

It is an arithmetic number, because the mean of its divisors is an integer number (4774315).

Almost surely, 2^63137412 is an apocalyptic number.

It is an amenable number.

63137412 is an abundant number, since it is smaller than the sum of its proper divisors (108737928).

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

63137412 is a wasteful number, since it uses less digits than its factorization.

63137412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134932 (or 134927 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 63137412 is about 7945.9053606244. The cubic root of 63137412 is about 398.1948071188.

The spelling of 63137412 in words is "sixty-three million, one hundred thirty-seven thousand, four hundred twelve".