137751049 has 2 divisors, whose sum is σ = 137751050. Its totient is φ = 137751048.

The previous prime is 137751023. The next prime is 137751101. The reversal of 137751049 is 940157731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105431824 + 32319225 = 10268^2 + 5685^2 .

It is an emirp because it is prime and its reverse (940157731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137751049 is a prime.

It is equal to p_7792291 and since 137751049 and 7792291 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 137750999 and 137751017.

It is not a weakly prime, because it can be changed into another prime (137721049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68875524 + 68875525.

It is an arithmetic number, because the mean of its divisors is an integer number (68875525).

Almost surely, 2^137751049 is an apocalyptic number.

It is an amenable number.

137751049 is a deficient number, since it is larger than the sum of its proper divisors (1).

137751049 is an equidigital number, since it uses as much as digits as its factorization.

137751049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 137751049 is about 11736.7392831229. The cubic root of 137751049 is about 516.4539914604.

The spelling of 137751049 in words is "one hundred thirty-seven million, seven hundred fifty-one thousand, forty-nine".