137629841 has 4 divisors (see below), whose sum is σ = 145725732. Its totient is φ = 129533952.

The previous prime is 137629829. The next prime is 137629883. The reversal of 137629841 is 148926731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101929216 + 35700625 = 10096^2 + 5975^2 .

It is a cyclic number.

It is not a de Polignac number, because 137629841 - 2⁶ = 137629777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137629441) 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, 4047920 + ... + 4047953.

It is an arithmetic number, because the mean of its divisors is an integer number (36431433).

Almost surely, 2^137629841 is an apocalyptic number.

It is an amenable number.

137629841 is a deficient number, since it is larger than the sum of its proper divisors (8095891).

137629841 is an equidigital number, since it uses as much as digits as its factorization.

137629841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8095890.

The product of its digits is 72576, while the sum is 41.

The square root of 137629841 is about 11731.5745320055. The cubic root of 137629841 is about 516.3024699897.

The spelling of 137629841 in words is "one hundred thirty-seven million, six hundred twenty-nine thousand, eight hundred forty-one".