1137432628 has 12 divisors (see below), whose sum is σ = 1990743300. Its totient is φ = 568648832.

The previous prime is 1137432601. The next prime is 1137432641. The reversal of 1137432628 is 8262347311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 214974244 + 922458384 = 14662^2 + 30372^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56700 + ... + 74092.

It is an arithmetic number, because the mean of its divisors is an integer number (165895275).

Almost surely, 2^1137432628 is an apocalyptic number.

It is an amenable number.

1137432628 is a deficient number, since it is larger than the sum of its proper divisors (853310672).

1137432628 is a wasteful number, since it uses less digits than its factorization.

1137432628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33746 (or 33744 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 1137432628 is about 33725.8451043113. The cubic root of 1137432628 is about 1043.8591299092.

Adding to 1137432628 its reverse (8262347311), we get a palindrome (9399779939).

The spelling of 1137432628 in words is "one billion, one hundred thirty-seven million, four hundred thirty-two thousand, six hundred twenty-eight".