7565225136 has 320 divisors, whose sum is σ = 24931737600. Its totient is φ = 1926955008.

The previous prime is 7565225123. The next prime is 7565225149. The reversal of 7565225136 is 6315225657.

It is an interprime number because it is at equal distance from previous prime (7565225123) and next prime (7565225149).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9837360 + ... + 9838128.

It is an arithmetic number, because the mean of its divisors is an integer number (77911680).

Almost surely, 2^7565225136 is an apocalyptic number.

7565225136 is a gapful number since it is divisible by the number (76) 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 7565225136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12465868800).

7565225136 is an abundant number, since it is smaller than the sum of its proper divisors (17366512464).

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

7565225136 is a wasteful number, since it uses less digits than its factorization.

7565225136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 890 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 7565225136 is about 86978.3026737128. The cubic root of 7565225136 is about 1963.0918451120.

The spelling of 7565225136 in words is "seven billion, five hundred sixty-five million, two hundred twenty-five thousand, one hundred thirty-six".