133529530 has 16 divisors (see below), whose sum is σ = 253003680. Its totient is φ = 50600592.

The previous prime is 133529527. The next prime is 133529537. The reversal of 133529530 is 35925331.

It is a junction number, because it is equal to n+sod(n) for n = 133529492 and 133529501.

It is not an unprimeable number, because it can be changed into a prime (133529537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351204 + ... + 351583.

It is an arithmetic number, because the mean of its divisors is an integer number (15812730).

Almost surely, 2^133529530 is an apocalyptic number.

133529530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133529530 is a deficient number, since it is larger than the sum of its proper divisors (119474150).

133529530 is a wasteful number, since it uses less digits than its factorization.

133529530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702813.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 133529530 is about 11555.4978257105. The cubic root of 133529530 is about 511.1234110497.

The spelling of 133529530 in words is "one hundred thirty-three million, five hundred twenty-nine thousand, five hundred thirty".