146918736 has 30 divisors (see below), whose sum is σ = 411168810. Its totient is φ = 48972864.

The previous prime is 146918731. The next prime is 146918747. The reversal of 146918736 is 637819641.

It is a happy number.

146918736 is a `hidden beast` number, since 1 + 469 + 187 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 146894400 + 24336 = 12120^2 + 156^2 .

It is a super-2 number, since 2×146918736² = 43170229975675392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146918691 and 146918700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146918731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 509991 + ... + 510278.

It is an arithmetic number, because the mean of its divisors is an integer number (13705627).

Almost surely, 2^146918736 is an apocalyptic number.

146918736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

146918736 is an abundant number, since it is smaller than the sum of its proper divisors (264250074).

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

146918736 is a wasteful number, since it uses less digits than its factorization.

146918736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020283 (or 1020274 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 146918736 is about 12121.0039188179. The cubic root of 146918736 is about 527.6659388246.

The spelling of 146918736 in words is "one hundred forty-six million, nine hundred eighteen thousand, seven hundred thirty-six".