137545424 has 10 divisors (see below), whose sum is σ = 266494290. Its totient is φ = 68772704.

The previous prime is 137545411. The next prime is 137545459. The reversal of 137545424 is 424545731.

137545424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 121705024 + 15840400 = 11032^2 + 3980^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4298279 + ... + 4298310.

It is an arithmetic number, because the mean of its divisors is an integer number (26649429).

Almost surely, 2^137545424 is an apocalyptic number.

It is an amenable number.

137545424 is a deficient number, since it is larger than the sum of its proper divisors (128948866).

137545424 is an equidigital number, since it uses as much as digits as its factorization.

137545424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8596597 (or 8596591 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 137545424 is about 11727.9761254873. The cubic root of 137545424 is about 516.1968881881.

The spelling of 137545424 in words is "one hundred thirty-seven million, five hundred forty-five thousand, four hundred twenty-four".