261141342 has 32 divisors (see below), whose sum is σ = 651158784. Its totient is φ = 67828800.

The previous prime is 261141313. The next prime is 261141343. The reversal of 261141342 is 243141162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261141343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282159 + ... + 283082.

It is an arithmetic number, because the mean of its divisors is an integer number (20348712).

Almost surely, 2^261141342 is an apocalyptic number.

261141342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

261141342 is an abundant number, since it is smaller than the sum of its proper divisors (390017442).

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

261141342 is a wasteful number, since it uses less digits than its factorization.

261141342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565264.

The product of its digits is 1152, while the sum is 24.

The square root of 261141342 is about 16159.8682544135. The cubic root of 261141342 is about 639.1829923033.

The spelling of 261141342 in words is "two hundred sixty-one million, one hundred forty-one thousand, three hundred forty-two".