133526031 has 8 divisors (see below), whose sum is σ = 178148784. Its totient is φ = 88960320.

The previous prime is 133525991. The next prime is 133526047. The reversal of 133526031 is 130625331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133526031 - 2⁶ = 133525967 is a prime.

It is a super-2 number, since 2×133526031² = 35658401909225922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133525992 and 133526010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133526231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8460 + ... + 18401.

It is an arithmetic number, because the mean of its divisors is an integer number (22268598).

Almost surely, 2^133526031 is an apocalyptic number.

133526031 is a deficient number, since it is larger than the sum of its proper divisors (44622753).

133526031 is a wasteful number, since it uses less digits than its factorization.

133526031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28521.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 133526031 is about 11555.3464249238. The cubic root of 133526031 is about 511.1189465280.

The spelling of 133526031 in words is "one hundred thirty-three million, five hundred twenty-six thousand, thirty-one".