134624253331 has 4 divisors (see below), whose sum is σ = 134625658464. Its totient is φ = 134622848200.

The previous prime is 134624253311. The next prime is 134624253347. The reversal of 134624253331 is 133352426431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134624253331 is a prime.

It is a super-2 number, since 2×134624253331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134624253301) 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, 547435 + ... + 754276.

It is an arithmetic number, because the mean of its divisors is an integer number (33656414616).

Almost surely, 2^134624253331 is an apocalyptic number.

134624253331 is a deficient number, since it is larger than the sum of its proper divisors (1405133).

134624253331 is a wasteful number, since it uses less digits than its factorization.

134624253331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405132.

The product of its digits is 155520, while the sum is 37.

Adding to 134624253331 its reverse (133352426431), we get a palindrome (267976679762).

The spelling of 134624253331 in words is "one hundred thirty-four billion, six hundred twenty-four million, two hundred fifty-three thousand, three hundred thirty-one".