1240133346 has 24 divisors (see below), whose sum is σ = 2687840220. Its totient is φ = 413241696.

The previous prime is 1240133333. The next prime is 1240133347. The reversal of 1240133346 is 6433310421.

It can be written as a sum of positive squares in 2 ways, for example, as 1239392025 + 741321 = 35205^2 + 861^2 .

It is a super-2 number, since 2×1240133346² = 3075861431722311432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1240133347) 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, 55500 + ... + 74568.

Almost surely, 2^1240133346 is an apocalyptic number.

1240133346 is an abundant number, since it is smaller than the sum of its proper divisors (1447706874).

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

1240133346 is a wasteful number, since it uses less digits than its factorization.

1240133346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22690 (or 22687 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1240133346 is about 35215.5270583872. The cubic root of 1240133346 is about 1074.3755799718.

Adding to 1240133346 its reverse (6433310421), we get a palindrome (7673443767).

The spelling of 1240133346 in words is "one billion, two hundred forty million, one hundred thirty-three thousand, three hundred forty-six".