137604998429 has 2 divisors, whose sum is σ = 137604998430. Its totient is φ = 137604998428.

The previous prime is 137604998413. The next prime is 137604998471. The reversal of 137604998429 is 924899406731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120318796900 + 17286201529 = 346870^2 + 131477^2 .

It is a cyclic number.

It is not a de Polignac number, because 137604998429 - 2⁴ = 137604998413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137604998129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68802499214 + 68802499215.

It is an arithmetic number, because the mean of its divisors is an integer number (68802499215).

Almost surely, 2^137604998429 is an apocalyptic number.

It is an amenable number.

137604998429 is a deficient number, since it is larger than the sum of its proper divisors (1).

137604998429 is an equidigital number, since it uses as much as digits as its factorization.

137604998429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 137604998429 in words is "one hundred thirty-seven billion, six hundred four million, nine hundred ninety-eight thousand, four hundred twenty-nine".