137649064 has 16 divisors (see below), whose sum is σ = 294962400. Its totient is φ = 58992432.

The previous prime is 137649023. The next prime is 137649067. The reversal of 137649064 is 460946731.

It is not an unprimeable number, because it can be changed into a prime (137649067) 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, 1228954 + ... + 1229065.

It is an arithmetic number, because the mean of its divisors is an integer number (18435150).

Almost surely, 2^137649064 is an apocalyptic number.

137649064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

137649064 is an abundant number, since it is smaller than the sum of its proper divisors (157313336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137649064 is a wasteful number, since it uses less digits than its factorization.

137649064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458032 (or 2458028 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 137649064 is about 11732.3937881406. The cubic root of 137649064 is about 516.3265064929.

The spelling of 137649064 in words is "one hundred thirty-seven million, six hundred forty-nine thousand, sixty-four".