137649935 has 16 divisors (see below), whose sum is σ = 175525056. Its totient is φ = 103269888.

The previous prime is 137649881. The next prime is 137649937. The reversal of 137649935 is 539946731.

137649935 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 137649935 - 2¹⁶ = 137584399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137649935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137649937) 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, 22142 + ... + 27668.

It is an arithmetic number, because the mean of its divisors is an integer number (10970316).

Almost surely, 2^137649935 is an apocalyptic number.

137649935 is a deficient number, since it is larger than the sum of its proper divisors (37875121).

137649935 is a wasteful number, since it uses less digits than its factorization.

137649935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842.

The product of its digits is 612360, while the sum is 47.

The square root of 137649935 is about 11732.4309075315. The cubic root of 137649935 is about 516.3275955412.

The spelling of 137649935 in words is "one hundred thirty-seven million, six hundred forty-nine thousand, nine hundred thirty-five".