134811508551 has 8 divisors (see below), whose sum is σ = 187563838080. Its totient is φ = 85966759032.

The previous prime is 134811508547. The next prime is 134811508567. The reversal of 134811508551 is 155805118431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134811508551 - 2² = 134811508547 is a prime.

It is a super-2 number, since 2×134811508551² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134811508651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976894921 + ... + 976895058.

It is an arithmetic number, because the mean of its divisors is an integer number (23445479760).

Almost surely, 2^134811508551 is an apocalyptic number.

134811508551 is a deficient number, since it is larger than the sum of its proper divisors (52752329529).

134811508551 is a wasteful number, since it uses less digits than its factorization.

134811508551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953790005.

The product of its (nonzero) digits is 96000, while the sum is 42.

The spelling of 134811508551 in words is "one hundred thirty-four billion, eight hundred eleven million, five hundred eight thousand, five hundred fifty-one".