1466225136 has 120 divisors (see below), whose sum is σ = 4333056000. Its totient is φ = 461552256.

The previous prime is 1466225093. The next prime is 1466225141. The reversal of 1466225136 is 6315226641.

1466225136 is a `hidden beast` number, since 14 + 6 + 622 + 5 + 13 + 6 = 666.

It is a super-2 number, since 2×1466225136² = 4299632298876436992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1466225136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1145745 + ... + 1147023.

It is an arithmetic number, because the mean of its divisors is an integer number (36108800).

Almost surely, 2^1466225136 is an apocalyptic number.

1466225136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1466225136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166528000).

1466225136 is an abundant number, since it is smaller than the sum of its proper divisors (2866830864).

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

1466225136 is a wasteful number, since it uses less digits than its factorization.

1466225136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731 (or 1722 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 1466225136 is about 38291.3193295817. The cubic root of 1466225136 is about 1136.0572567517.

The spelling of 1466225136 in words is "one billion, four hundred sixty-six million, two hundred twenty-five thousand, one hundred thirty-six".