134461531 has 4 divisors (see below), whose sum is σ = 136740600. Its totient is φ = 132182464.

The previous prime is 134461529. The next prime is 134461541. The reversal of 134461531 is 135164431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135164431 = 6737 ⋅20063.

It is a cyclic number.

It is not a de Polignac number, because 134461531 - 2¹ = 134461529 is a prime.

It is a super-2 number, since 2×134461531² = 36159806637727922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134461531.

It is not an unprimeable number, because it can be changed into a prime (134461541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139446 + ... + 1139563.

It is an arithmetic number, because the mean of its divisors is an integer number (34185150).

Almost surely, 2^134461531 is an apocalyptic number.

134461531 is a deficient number, since it is larger than the sum of its proper divisors (2279069).

134461531 is an equidigital number, since it uses as much as digits as its factorization.

134461531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279068.

The product of its digits is 4320, while the sum is 28.

The square root of 134461531 is about 11595.7548697789. The cubic root of 134461531 is about 512.3098240257.

The spelling of 134461531 in words is "one hundred thirty-four million, four hundred sixty-one thousand, five hundred thirty-one".