137871202 has 12 divisors (see below), whose sum is σ = 240571350. Its totient is φ = 59087616.

The previous prime is 137871199. The next prime is 137871263. The reversal of 137871202 is 202178731.

It can be written as a sum of positive squares in only one way, i.e., 137804121 + 67081 = 11739^2 + 259^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 703327 + ... + 703522.

Almost surely, 2^137871202 is an apocalyptic number.

137871202 is a deficient number, since it is larger than the sum of its proper divisors (102700148).

137871202 is a wasteful number, since it uses less digits than its factorization.

137871202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406865 (or 1406858 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 137871202 is about 11741.8568378259. The cubic root of 137871202 is about 516.6041063806.

The spelling of 137871202 in words is "one hundred thirty-seven million, eight hundred seventy-one thousand, two hundred two".