155364316140 has 192 divisors, whose sum is σ = 503500354560. Its totient is φ = 35376783360.

The previous prime is 155364316117. The next prime is 155364316171. The reversal of 155364316140 is 41613463551.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5629896 + ... + 5657424.

It is an arithmetic number, because the mean of its divisors is an integer number (2622397680).

Almost surely, 2^155364316140 is an apocalyptic number.

155364316140 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 155364316140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251750177280).

155364316140 is an abundant number, since it is smaller than the sum of its proper divisors (348136038420).

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

155364316140 is a wasteful number, since it uses less digits than its factorization.

155364316140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28072 (or 28070 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 155364316140 its reverse (41613463551), we get a palindrome (196977779691).

The spelling of 155364316140 in words is "one hundred fifty-five billion, three hundred sixty-four million, three hundred sixteen thousand, one hundred forty".