137770471 has 2 divisors, whose sum is σ = 137770472. Its totient is φ = 137770470.

The previous prime is 137770469. The next prime is 137770481. The reversal of 137770471 is 174077731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137770471 - 2¹ = 137770469 is a prime.

It is a super-3 number, since 3×137770471³ (a number of 25 digits) contains 333 as substring.

Together with 137770469, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 137770471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137770481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68885235 + 68885236.

It is an arithmetic number, because the mean of its divisors is an integer number (68885236).

Almost surely, 2^137770471 is an apocalyptic number.

137770471 is a deficient number, since it is larger than the sum of its proper divisors (1).

137770471 is an equidigital number, since it uses as much as digits as its factorization.

137770471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28812, while the sum is 37.

The square root of 137770471 is about 11737.5666558278. The cubic root of 137770471 is about 516.4782625352.

The spelling of 137770471 in words is "one hundred thirty-seven million, seven hundred seventy thousand, four hundred seventy-one".