133737849 has 12 divisors (see below), whose sum is σ = 220773696. Its totient is φ = 76421592.

The previous prime is 133737841. The next prime is 133737853. The reversal of 133737849 is 948737331.

It is not a de Polignac number, because 133737849 - 2³ = 133737841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133737841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1061349 + ... + 1061474.

It is an arithmetic number, because the mean of its divisors is an integer number (18397808).

Almost surely, 2^133737849 is an apocalyptic number.

It is an amenable number.

133737849 is a deficient number, since it is larger than the sum of its proper divisors (87035847).

133737849 is a wasteful number, since it uses less digits than its factorization.

133737849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122836 (or 2122833 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 133737849 is about 11564.5081607477. The cubic root of 133737849 is about 511.3890736200.

The spelling of 133737849 in words is "one hundred thirty-three million, seven hundred thirty-seven thousand, eight hundred forty-nine".