137464729 has 2 divisors, whose sum is σ = 137464730. Its totient is φ = 137464728.

The previous prime is 137464711. The next prime is 137464739. The reversal of 137464729 is 927464731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98962704 + 38502025 = 9948^2 + 6205^2 .

It is a cyclic number.

It is not a de Polignac number, because 137464729 - 2⁵ = 137464697 is a prime.

It is not a weakly prime, because it can be changed into another prime (137464739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68732364 + 68732365.

It is an arithmetic number, because the mean of its divisors is an integer number (68732365).

Almost surely, 2^137464729 is an apocalyptic number.

It is an amenable number.

137464729 is a deficient number, since it is larger than the sum of its proper divisors (1).

137464729 is an equidigital number, since it uses as much as digits as its factorization.

137464729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 43.

The square root of 137464729 is about 11724.5353426053. The cubic root of 137464729 is about 516.0959211638.

The spelling of 137464729 in words is "one hundred thirty-seven million, four hundred sixty-four thousand, seven hundred twenty-nine".