137231401 has 2 divisors, whose sum is σ = 137231402. Its totient is φ = 137231400.

The previous prime is 137231383. The next prime is 137231443. The reversal of 137231401 is 104132731.

137231401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93141801 + 44089600 = 9651^2 + 6640^2 .

It is an emirp because it is prime and its reverse (104132731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137231401 - 2⁹ = 137230889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137231461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68615700 + 68615701.

It is an arithmetic number, because the mean of its divisors is an integer number (68615701).

Almost surely, 2^137231401 is an apocalyptic number.

It is an amenable number.

137231401 is a deficient number, since it is larger than the sum of its proper divisors (1).

137231401 is an equidigital number, since it uses as much as digits as its factorization.

137231401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 137231401 is about 11714.5807009897. The cubic root of 137231401 is about 515.8037545201.

The spelling of 137231401 in words is "one hundred thirty-seven million, two hundred thirty-one thousand, four hundred one".