32261138137 has 4 divisors (see below), whose sum is σ = 32790009316. Its totient is φ = 31732266960.

The previous prime is 32261138111. The next prime is 32261138167. The reversal of 32261138137 is 73183116223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73183116223 = 7 ⋅10454730889.

It can be written as a sum of positive squares in 2 ways, for example, as 18188298496 + 14072839641 = 134864^2 + 118629^2 .

It is a cyclic number.

It is not a de Polignac number, because 32261138137 - 2¹⁵ = 32261105369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32261138096 and 32261138105.

It is not an unprimeable number, because it can be changed into a prime (32261138167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264435498 + ... + 264435619.

It is an arithmetic number, because the mean of its divisors is an integer number (8197502329).

Almost surely, 2^32261138137 is an apocalyptic number.

It is an amenable number.

32261138137 is a deficient number, since it is larger than the sum of its proper divisors (528871179).

32261138137 is an equidigital number, since it uses as much as digits as its factorization.

32261138137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528871178.

The product of its digits is 36288, while the sum is 37.

The spelling of 32261138137 in words is "thirty-two billion, two hundred sixty-one million, one hundred thirty-eight thousand, one hundred thirty-seven".