137072258 has 8 divisors (see below), whose sum is σ = 217703052. Its totient is φ = 64504576.

The previous prime is 137072239. The next prime is 137072291. The reversal of 137072258 is 852270731.

It can be written as a sum of positive squares in 2 ways, for example, as 135187129 + 1885129 = 11627^2 + 1373^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 2015735 + ... + 2015802.

Almost surely, 2^137072258 is an apocalyptic number.

137072258 is a deficient number, since it is larger than the sum of its proper divisors (80630794).

137072258 is a wasteful number, since it uses less digits than its factorization.

137072258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031556.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 137072258 is about 11707.7862126023. The cubic root of 137072258 is about 515.6042901899.

The spelling of 137072258 in words is "one hundred thirty-seven million, seventy-two thousand, two hundred fifty-eight".