63151340 has 48 divisors (see below), whose sum is σ = 156463104. Its totient is φ = 20952000.

The previous prime is 63151313. The next prime is 63151343. The reversal of 63151340 is 4315136.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63151343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2936 + ... + 11615.

It is an arithmetic number, because the mean of its divisors is an integer number (3259648).

Almost surely, 2^63151340 is an apocalyptic number.

It is an amenable number.

63151340 is an abundant number, since it is smaller than the sum of its proper divisors (93311764).

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

63151340 is a wasteful number, since it uses less digits than its factorization.

63151340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14598 (or 14596 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 63151340 is about 7946.7817385405. The cubic root of 63151340 is about 398.2240853197.

Adding to 63151340 its reverse (4315136), we get a palindrome (67466476).

The spelling of 63151340 in words is "sixty-three million, one hundred fifty-one thousand, three hundred forty".