137766149 has 4 divisors (see below), whose sum is σ = 138591264. Its totient is φ = 136941036.

The previous prime is 137766107. The next prime is 137766193. The reversal of 137766149 is 941667731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137766149 - 2⁸ = 137765893 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 (137765149) 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, 412307 + ... + 412640.

It is an arithmetic number, because the mean of its divisors is an integer number (34647816).

Almost surely, 2^137766149 is an apocalyptic number.

It is an amenable number.

137766149 is a deficient number, since it is larger than the sum of its proper divisors (825115).

137766149 is an equidigital number, since it uses as much as digits as its factorization.

137766149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825114.

The product of its digits is 190512, while the sum is 44.

The square root of 137766149 is about 11737.3825446732. The cubic root of 137766149 is about 516.4728616624.

The spelling of 137766149 in words is "one hundred thirty-seven million, seven hundred sixty-six thousand, one hundred forty-nine".