134037261 has 20 divisors (see below), whose sum is σ = 208936992. Its totient is φ = 85471848.

The previous prime is 134037259. The next prime is 134037287. The reversal of 134037261 is 162730431.

It is not a de Polignac number, because 134037261 - 2¹ = 134037259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134037221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34111 + ... + 37836.

Almost surely, 2^134037261 is an apocalyptic number.

It is an amenable number.

134037261 is a deficient number, since it is larger than the sum of its proper divisors (74899731).

134037261 is an equidigital number, since it uses as much as digits as its factorization.

134037261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71982 (or 71973 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 134037261 is about 11577.4462209936. The cubic root of 134037261 is about 511.7704214162.

Adding to 134037261 its reverse (162730431), we get a palindrome (296767692).

The spelling of 134037261 in words is "one hundred thirty-four million, thirty-seven thousand, two hundred sixty-one".