154400135340 has 96 divisors (see below), whose sum is σ = 472034304000. Its totient is φ = 37397632000.

The previous prime is 154400135291. The next prime is 154400135437. The reversal of 154400135340 is 43531004451.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 154400135298 and 154400135307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 658036 + ... + 861284.

It is an arithmetic number, because the mean of its divisors is an integer number (4917024000).

Almost surely, 2^154400135340 is an apocalyptic number.

154400135340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154400135340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236017152000).

154400135340 is an abundant number, since it is smaller than the sum of its proper divisors (317634168660).

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

154400135340 is a wasteful number, since it uses less digits than its factorization.

154400135340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204423 (or 204421 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 154400135340 its reverse (43531004451), we get a palindrome (197931139791).

The spelling of 154400135340 in words is "one hundred fifty-four billion, four hundred million, one hundred thirty-five thousand, three hundred forty".