261074132 has 12 divisors (see below), whose sum is σ = 498414336. Its totient is φ = 118670040.

The previous prime is 261074111. The next prime is 261074141. The reversal of 261074132 is 231470162.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2966708 + ... + 2966795.

It is an arithmetic number, because the mean of its divisors is an integer number (41534528).

Almost surely, 2^261074132 is an apocalyptic number.

261074132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

261074132 is a deficient number, since it is larger than the sum of its proper divisors (237340204).

261074132 is a wasteful number, since it uses less digits than its factorization.

261074132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5933518 (or 5933516 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 261074132 is about 16157.7885863134. The cubic root of 261074132 is about 639.1281520463.

The spelling of 261074132 in words is "two hundred sixty-one million, seventy-four thousand, one hundred thirty-two".