7990134525 has 36 divisors (see below), whose sum is σ = 14772883840. Its totient is φ = 4123936800.

The previous prime is 7990134511. The next prime is 7990134547. The reversal of 7990134525 is 5254310997.

It is a happy number.

7990134525 is a `hidden beast` number, since 7 + 9 + 90 + 1 + 34 + 525 = 666.

7990134525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7990134525 - 2¹⁴ = 7990118141 is a prime.

It is a super-3 number, since 3×7990134525³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 565795 + ... + 579744.

Almost surely, 2^7990134525 is an apocalyptic number.

7990134525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7990134525 is a deficient number, since it is larger than the sum of its proper divisors (6782749315).

7990134525 is a wasteful number, since it uses less digits than its factorization.

7990134525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145586 (or 1145578 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 7990134525 is about 89387.5524052426. The cubic root of 7990134525 is about 1999.1775389086.

The spelling of 7990134525 in words is "seven billion, nine hundred ninety million, one hundred thirty-four thousand, five hundred twenty-five".