137752330 has 8 divisors (see below), whose sum is σ = 247954212. Its totient is φ = 55100928.

The previous prime is 137752327. The next prime is 137752357. The reversal of 137752330 is 33257731.

137752330 is digitally balanced in base 2, 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 2 ways, for example, as 131813361 + 5938969 = 11481^2 + 2437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 137752292 and 137752301.

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, 6887607 + ... + 6887626.

Almost surely, 2^137752330 is an apocalyptic number.

137752330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137752330 is a deficient number, since it is larger than the sum of its proper divisors (110201882).

137752330 is a wasteful number, since it uses less digits than its factorization.

137752330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13775240.

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 137752330 is about 11736.7938552230. The cubic root of 137752330 is about 516.4555923569.

The spelling of 137752330 in words is "one hundred thirty-seven million, seven hundred fifty-two thousand, three hundred thirty".