134540949 has 4 divisors (see below), whose sum is σ = 179387936. Its totient is φ = 89693964.

The previous prime is 134540933. The next prime is 134540981. The reversal of 134540949 is 949045431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 949045431 = 3 ⋅316348477.

It is not a de Polignac number, because 134540949 - 2⁴ = 134540933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134540909) 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, 22423489 + ... + 22423494.

It is an arithmetic number, because the mean of its divisors is an integer number (44846984).

Almost surely, 2^134540949 is an apocalyptic number.

It is an amenable number.

134540949 is a deficient number, since it is larger than the sum of its proper divisors (44846987).

134540949 is an equidigital number, since it uses as much as digits as its factorization.

134540949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44846986.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 134540949 is about 11599.1788071398. The cubic root of 134540949 is about 512.4106672770.

The spelling of 134540949 in words is "one hundred thirty-four million, five hundred forty thousand, nine hundred forty-nine".