134312351 has 4 divisors (see below), whose sum is σ = 137588304. Its totient is φ = 131036400.

The previous prime is 134312293. The next prime is 134312357. The reversal of 134312351 is 153213431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153213431 = 7 ⋅21887633.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134312351 is a prime.

It is a super-2 number, since 2×134312351² = 36079615262294402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134312357) 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, 1637915 + ... + 1637996.

It is an arithmetic number, because the mean of its divisors is an integer number (34397076).

Almost surely, 2^134312351 is an apocalyptic number.

134312351 is a deficient number, since it is larger than the sum of its proper divisors (3275953).

134312351 is an equidigital number, since it uses as much as digits as its factorization.

134312351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275952.

The product of its digits is 1080, while the sum is 23.

The square root of 134312351 is about 11589.3205581691. The cubic root of 134312351 is about 512.1202911026.

Adding to 134312351 its product of digits (1080), we get a palindrome (134313431).

Adding to 134312351 its reverse (153213431), we get a palindrome (287525782).

The spelling of 134312351 in words is "one hundred thirty-four million, three hundred twelve thousand, three hundred fifty-one".