154136131345 has 16 divisors (see below), whose sum is σ = 211731563520. Its totient is φ = 105520912704.

The previous prime is 154136131343. The next prime is 154136131349. The reversal of 154136131345 is 543131631451.

It is a cyclic number.

It is not a de Polignac number, because 154136131345 - 2¹ = 154136131343 is a prime.

It is a super-3 number, since 3×154136131345³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (154136131343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3570625 + ... + 3613534.

It is an arithmetic number, because the mean of its divisors is an integer number (13233222720).

Almost surely, 2^154136131345 is an apocalyptic number.

It is an amenable number.

154136131345 is a deficient number, since it is larger than the sum of its proper divisors (57595432175).

154136131345 is an equidigital number, since it uses as much as digits as its factorization.

154136131345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7184784.

The product of its digits is 64800, while the sum is 37.

Adding to 154136131345 its reverse (543131631451), we get a palindrome (697267762796).

The spelling of 154136131345 in words is "one hundred fifty-four billion, one hundred thirty-six million, one hundred thirty-one thousand, three hundred forty-five".