137550002 has 4 divisors (see below), whose sum is σ = 206325006. Its totient is φ = 68775000.

The previous prime is 137550001. The next prime is 137550019. The reversal of 137550002 is 200055731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99221521 + 38328481 = 9961^2 + 6191^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 137550002.

It is not an unprimeable number, because it can be changed into a prime (137550001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34387499 + ... + 34387502.

Almost surely, 2^137550002 is an apocalyptic number.

137550002 is a deficient number, since it is larger than the sum of its proper divisors (68775004).

137550002 is an equidigital number, since it uses as much as digits as its factorization.

137550002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68775003.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 137550002 is about 11728.1712982033. The cubic root of 137550002 is about 516.2026150795.

The spelling of 137550002 in words is "one hundred thirty-seven million, five hundred fifty thousand, two".