137229528 has 16 divisors (see below), whose sum is σ = 343073880. Its totient is φ = 45743168.

The previous prime is 137229511. The next prime is 137229539. The reversal of 137229528 is 825922731.

137229528 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2858925 + ... + 2858972.

Almost surely, 2^137229528 is an apocalyptic number.

It is an amenable number.

137229528 is an abundant number, since it is smaller than the sum of its proper divisors (205844352).

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

137229528 is a wasteful number, since it uses less digits than its factorization.

137229528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717906 (or 5717902 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 137229528 is about 11714.5007576081. The cubic root of 137229528 is about 515.8014078638.

The spelling of 137229528 in words is "one hundred thirty-seven million, two hundred twenty-nine thousand, five hundred twenty-eight".