134203951 has 4 divisors (see below), whose sum is σ = 153375952. Its totient is φ = 115031952.

The previous prime is 134203939. The next prime is 134203957. The reversal of 134203951 is 159302431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 159302431 = 457 ⋅348583.

It is not a de Polignac number, because 134203951 - 2¹⁵ = 134171183 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 (134203957) 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, 9585990 + ... + 9586003.

It is an arithmetic number, because the mean of its divisors is an integer number (38343988).

Almost surely, 2^134203951 is an apocalyptic number.

134203951 is a deficient number, since it is larger than the sum of its proper divisors (19172001).

134203951 is an equidigital number, since it uses as much as digits as its factorization.

134203951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19172000.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 134203951 is about 11584.6428947983. The cubic root of 134203951 is about 511.9824810392.

It can be divided in two parts, 13420 and 3951, that added together give a palindrome (17371).

The spelling of 134203951 in words is "one hundred thirty-four million, two hundred three thousand, nine hundred fifty-one".