133725026 has 16 divisors (see below), whose sum is σ = 217569240. Its totient is φ = 61393920.

The previous prime is 133725023. The next prime is 133725029. The reversal of 133725026 is 620527331.

It is an interprime number because it is at equal distance from previous prime (133725023) and next prime (133725029).

It can be written as a sum of positive squares in 4 ways, for example, as 114811225 + 18913801 = 10715^2 + 4349^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133725026.

It is not an unprimeable number, because it can be changed into a prime (133725023) 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, 46571 + ... + 49358.

Almost surely, 2^133725026 is an apocalyptic number.

133725026 is a deficient number, since it is larger than the sum of its proper divisors (83844214).

133725026 is a wasteful number, since it uses less digits than its factorization.

133725026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95989.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 133725026 is about 11563.9537356390. The cubic root of 133725026 is about 511.3727288287.

The spelling of 133725026 in words is "one hundred thirty-three million, seven hundred twenty-five thousand, twenty-six".