274157156 has 96 divisors (see below), whose sum is σ = 635040000. Its totient is φ = 102622464.

The previous prime is 274157141. The next prime is 274157159. The reversal of 274157156 is 651751472.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (274157159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338480 + ... + 339288.

It is an arithmetic number, because the mean of its divisors is an integer number (6615000).

Almost surely, 2^274157156 is an apocalyptic number.

274157156 is a gapful number since it is divisible by the number (26) 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 274157156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317520000).

274157156 is an abundant number, since it is smaller than the sum of its proper divisors (360882844).

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

274157156 is a wasteful number, since it uses less digits than its factorization.

274157156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 850 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 274157156 is about 16557.6917473421. The cubic root of 274157156 is about 649.6306825083.

The spelling of 274157156 in words is "two hundred seventy-four million, one hundred fifty-seven thousand, one hundred fifty-six".