156774241140 has 192 divisors, whose sum is σ = 481411123200. Its totient is φ = 37805160960.

The previous prime is 156774241123. The next prime is 156774241171. The reversal of 156774241140 is 41142477651.

It is a junction number, because it is equal to n+sod(n) for n = 156774241092 and 156774241101.

It is a congruent number.

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, 189569407 + ... + 189570233.

It is an arithmetic number, because the mean of its divisors is an integer number (2507349600).

Almost surely, 2^156774241140 is an apocalyptic number.

156774241140 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 156774241140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240705561600).

156774241140 is an abundant number, since it is smaller than the sum of its proper divisors (324636882060).

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

156774241140 is a wasteful number, since it uses less digits than its factorization.

156774241140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 156774241140 in words is "one hundred fifty-six billion, seven hundred seventy-four million, two hundred forty-one thousand, one hundred forty".