137110730 has 16 divisors (see below), whose sum is σ = 249573960. Its totient is φ = 54227712.

The previous prime is 137110711. The next prime is 137110747. The reversal of 137110730 is 37011731.

It can be written as a sum of positive squares in 4 ways, for example, as 74874409 + 62236321 = 8653^2 + 7889^2 .

It is a super-2 number, since 2×137110730² = 37598704562265800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 137110696 and 137110705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76139 + ... + 77918.

Almost surely, 2^137110730 is an apocalyptic number.

137110730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137110730 is a deficient number, since it is larger than the sum of its proper divisors (112463230).

137110730 is a wasteful number, since it uses less digits than its factorization.

137110730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154153.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 137110730 is about 11709.4291064936. The cubic root of 137110730 is about 515.6525238078.

The spelling of 137110730 in words is "one hundred thirty-seven million, one hundred ten thousand, seven hundred thirty".