34136949 has 16 divisors (see below), whose sum is σ = 56747520. Its totient is φ = 17733360.

The previous prime is 34136891. The next prime is 34136953. The reversal of 34136949 is 94963143.

It is not a de Polignac number, because 34136949 - 2⁸ = 34136693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34136989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73659 + ... + 74120.

It is an arithmetic number, because the mean of its divisors is an integer number (3546720).

Almost surely, 2^34136949 is an apocalyptic number.

It is an amenable number.

34136949 is a deficient number, since it is larger than the sum of its proper divisors (22610571).

34136949 is a wasteful number, since it uses less digits than its factorization.

34136949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147800.

The product of its digits is 69984, while the sum is 39.

The square root of 34136949 is about 5842.6833732456. The cubic root of 34136949 is about 324.3955597840.

The spelling of 34136949 in words is "thirty-four million, one hundred thirty-six thousand, nine hundred forty-nine".