137825629 has 4 divisors (see below), whose sum is σ = 141550684. Its totient is φ = 134100576.

The previous prime is 137825617. The next prime is 137825671. The reversal of 137825629 is 926528731.

137825629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 926528731 = 193 ⋅4800667.

It can be written as a sum of positive squares in 2 ways, for example, as 118483225 + 19342404 = 10885^2 + 4398^2 .

It is a cyclic number.

It is not a de Polignac number, because 137825629 - 2⁹ = 137825117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137825329) 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, 1862472 + ... + 1862545.

It is an arithmetic number, because the mean of its divisors is an integer number (35387671).

Almost surely, 2^137825629 is an apocalyptic number.

It is an amenable number.

137825629 is a deficient number, since it is larger than the sum of its proper divisors (3725055).

137825629 is an equidigital number, since it uses as much as digits as its factorization.

137825629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725054.

The product of its digits is 181440, while the sum is 43.

The square root of 137825629 is about 11739.9160559179. The cubic root of 137825629 is about 516.5471793523.

The spelling of 137825629 in words is "one hundred thirty-seven million, eight hundred twenty-five thousand, six hundred twenty-nine".