134631701553 has 4 divisors (see below), whose sum is σ = 179508935408. Its totient is φ = 89754467700.

The previous prime is 134631701537. The next prime is 134631701563. The reversal of 134631701553 is 355107136431.

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.

It is not a de Polignac number, because 134631701553 - 2⁴ = 134631701537 is a prime.

It is a super-2 number, since 2×134631701553² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134631701563) 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, 22438616923 + ... + 22438616928.

It is an arithmetic number, because the mean of its divisors is an integer number (44877233852).

Almost surely, 2^134631701553 is an apocalyptic number.

It is an amenable number.

134631701553 is a deficient number, since it is larger than the sum of its proper divisors (44877233855).

134631701553 is an equidigital number, since it uses as much as digits as its factorization.

134631701553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44877233854.

The product of its (nonzero) digits is 113400, while the sum is 39.

Adding to 134631701553 its reverse (355107136431), we get a palindrome (489738837984).

The spelling of 134631701553 in words is "one hundred thirty-four billion, six hundred thirty-one million, seven hundred one thousand, five hundred fifty-three".