207135530 has 32 divisors (see below), whose sum is σ = 448536960. Its totient is φ = 67279680.

The previous prime is 207135527. The next prime is 207135541. The reversal of 207135530 is 35531702.

It is a self number, because there is not a number n which added to its sum of digits gives 207135530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76541 + ... + 79200.

It is an arithmetic number, because the mean of its divisors is an integer number (14016780).

Almost surely, 2^207135530 is an apocalyptic number.

207135530 is an abundant number, since it is smaller than the sum of its proper divisors (241401430).

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

207135530 is a wasteful number, since it uses less digits than its factorization.

207135530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155774.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 207135530 is about 14392.2037923315. The cubic root of 207135530 is about 591.6772440966.

The spelling of 207135530 in words is "two hundred seven million, one hundred thirty-five thousand, five hundred thirty".