154134021022540 has 24 divisors (see below), whose sum is σ = 348580016774640. Its totient is φ = 56911023146688.

The previous prime is 154134021022451. The next prime is 154134021022547. The reversal of 154134021022540 is 45220120431451.

It is a junction number, because it is equal to n+sod(n) for n = 154134021022496 and 154134021022505.

It is not an unprimeable number, because it can be changed into a prime (154134021022547) 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, 296411578630 + ... + 296411579149.

It is an arithmetic number, because the mean of its divisors is an integer number (14524167365610).

Almost surely, 2^{154134021022540} is an apocalyptic number.

154134021022540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154134021022540 is an abundant number, since it is smaller than the sum of its proper divisors (194445995752100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154134021022540 is a wasteful number, since it uses less digits than its factorization.

154134021022540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592823157801 (or 592823157799 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 154134021022540 its reverse (45220120431451), we get a palindrome (199354141453991).

The spelling of 154134021022540 in words is "one hundred fifty-four trillion, one hundred thirty-four billion, twenty-one million, twenty-two thousand, five hundred forty".