137428370 has 8 divisors (see below), whose sum is σ = 247371084. Its totient is φ = 54971344.

The previous prime is 137428367. The next prime is 137428393. The reversal of 137428370 is 73824731.

137428370 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 2 ways, for example, as 129937201 + 7491169 = 11399^2 + 2737^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 137428370.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6871409 + ... + 6871428.

Almost surely, 2^137428370 is an apocalyptic number.

137428370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137428370 is a deficient number, since it is larger than the sum of its proper divisors (109942714).

137428370 is a wasteful number, since it uses less digits than its factorization.

137428370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13742844.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 137428370 is about 11722.9846882097. The cubic root of 137428370 is about 516.0504152211.

The spelling of 137428370 in words is "one hundred thirty-seven million, four hundred twenty-eight thousand, three hundred seventy".