135247264 has 12 divisors (see below), whose sum is σ = 266268114. Its totient is φ = 67623616.

The previous prime is 135247249. The next prime is 135247279. The reversal of 135247264 is 462742531.

It is an interprime number because it is at equal distance from previous prime (135247249) and next prime (135247279).

It can be written as a sum of positive squares in only one way, i.e., 90250000 + 44997264 = 9500^2 + 6708^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2113207 + ... + 2113270.

Almost surely, 2^135247264 is an apocalyptic number.

It is an amenable number.

135247264 is a deficient number, since it is larger than the sum of its proper divisors (131020850).

135247264 is an equidigital number, since it uses as much as digits as its factorization.

135247264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226487 (or 4226479 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 135247264 is about 11629.5857191905. The cubic root of 135247264 is about 513.3057896430.

Adding to 135247264 its reverse (462742531), we get a palindrome (597989795).

The spelling of 135247264 in words is "one hundred thirty-five million, two hundred forty-seven thousand, two hundred sixty-four".