137052243 has 18 divisors (see below), whose sum is σ = 205570092. Its totient is φ = 91246500.

The previous prime is 137052211. The next prime is 137052247. The reversal of 137052243 is 342250731.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

137052243 is a `hidden beast` number, since 1 + 370 + 52 + 243 = 666.

It is not a de Polignac number, because 137052243 - 2⁵ = 137052211 is a prime.

It is a super-2 number, since 2×137052243² = 37566634622662098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (137052247) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 182118 + ... + 182868.

Almost surely, 2^137052243 is an apocalyptic number.

137052243 is a deficient number, since it is larger than the sum of its proper divisors (68517849).

137052243 is an frugal number, since it uses more digits than its factorization.

137052243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 137052243 is about 11706.9314083580. The cubic root of 137052243 is about 515.5791931539.

Multiplying 137052243 by its sum of digits (27), we get a square (3700410561 = 60831²).

137052243 divided by its sum of digits (27) gives a square (5076009 = 2253²).

The spelling of 137052243 in words is "one hundred thirty-seven million, fifty-two thousand, two hundred forty-three".