134133731 has 4 divisors (see below), whose sum is σ = 134695200. Its totient is φ = 133572264.

The previous prime is 134133721. The next prime is 134133739. The reversal of 134133731 is 137331431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137331431 = 397 ⋅345923.

It is a cyclic number.

It is not a de Polignac number, because 134133731 - 2⁶ = 134133667 is a prime.

It is a super-2 number, since 2×134133731² = 35983715583960722, 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 134133731.

It is not an unprimeable number, because it can be changed into a prime (134133739) 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, 280376 + ... + 280853.

It is an arithmetic number, because the mean of its divisors is an integer number (33673800).

Almost surely, 2^134133731 is an apocalyptic number.

134133731 is a deficient number, since it is larger than the sum of its proper divisors (561469).

134133731 is an equidigital number, since it uses as much as digits as its factorization.

134133731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561468.

The product of its digits is 2268, while the sum is 26.

The square root of 134133731 is about 11581.6117617541. The cubic root of 134133731 is about 511.8931700025.

The spelling of 134133731 in words is "one hundred thirty-four million, one hundred thirty-three thousand, seven hundred thirty-one".