137825811 has 24 divisors (see below), whose sum is σ = 203754096. Its totient is φ = 89743680.

The previous prime is 137825801. The next prime is 137825827. The reversal of 137825811 is 118528731.

137825811 is a `hidden beast` number, since 1 + 3 + 78 + 2 + 581 + 1 = 666.

It is not a de Polignac number, because 137825811 - 2¹³ = 137817619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137825801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134481 + ... + 135501.

It is an arithmetic number, because the mean of its divisors is an integer number (8489754).

Almost surely, 2^137825811 is an apocalyptic number.

137825811 is a deficient number, since it is larger than the sum of its proper divisors (65928285).

137825811 is a wasteful number, since it uses less digits than its factorization.

137825811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363 (or 1360 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 137825811 is about 11739.9238072485. The cubic root of 137825811 is about 516.5474067206.

The spelling of 137825811 in words is "one hundred thirty-seven million, eight hundred twenty-five thousand, eight hundred eleven".