154130140340 has 96 divisors (see below), whose sum is σ = 359490700800. Its totient is φ = 55034798720.

The previous prime is 154130140313. The next prime is 154130140471. The reversal of 154130140340 is 43041031451.

It is a happy number.

It is a super-2 number, since 2×154130140340² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 12285791 + ... + 12298329.

It is an arithmetic number, because the mean of its divisors is an integer number (3744694800).

Almost surely, 2^154130140340 is an apocalyptic number.

154130140340 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 154130140340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179745350400).

154130140340 is an abundant number, since it is smaller than the sum of its proper divisors (205360560460).

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

154130140340 is a wasteful number, since it uses less digits than its factorization.

154130140340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13565 (or 13563 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 154130140340 its reverse (43041031451), we get a palindrome (197171171791).

The spelling of 154130140340 in words is "one hundred fifty-four billion, one hundred thirty million, one hundred forty thousand, three hundred forty".