134520161663451 has 8 divisors (see below), whose sum is σ = 179361114368080. Its totient is φ = 89679658367232.

The previous prime is 134520161663413. The next prime is 134520161663507. The reversal of 134520161663451 is 154366161025431.

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

It is not a de Polignac number, because 134520161663451 - 2¹⁹ = 134520161139163 is a prime.

It is a super-2 number, since 2×134520161663451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134520161663451.

It is not an unprimeable number, because it can be changed into a prime (134520161663051) 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, 111653050 + ... + 112851423.

It is an arithmetic number, because the mean of its divisors is an integer number (22420139296010).

Almost surely, 2^{134520161663451} is an apocalyptic number.

134520161663451 is a deficient number, since it is larger than the sum of its proper divisors (44840952704629).

134520161663451 is a wasteful number, since it uses less digits than its factorization.

134520161663451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224704205.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 134520161663451 in words is "one hundred thirty-four trillion, five hundred twenty billion, one hundred sixty-one million, six hundred sixty-three thousand, four hundred fifty-one".