98135749 has 2 divisors, whose sum is σ = 98135750. Its totient is φ = 98135748.

The previous prime is 98135743. The next prime is 98135767. The reversal of 98135749 is 94753189.

98135749 = T₈₀₈₇ + T₈₀₈₈ + T₈₀₈₉.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52099524 + 46036225 = 7218^2 + 6785^2 .

It is a cyclic number.

It is not a de Polignac number, because 98135749 - 2⁵ = 98135717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98135699 and 98135708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98135743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49067874 + 49067875.

It is an arithmetic number, because the mean of its divisors is an integer number (49067875).

Almost surely, 2^98135749 is an apocalyptic number.

98135749 is the 8089-th centered triangular number.

It is an amenable number.

98135749 is a deficient number, since it is larger than the sum of its proper divisors (1).

98135749 is an equidigital number, since it uses as much as digits as its factorization.

98135749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 98135749 is about 9906.3489237963. The cubic root of 98135749 is about 461.2564092597.

The spelling of 98135749 in words is "ninety-eight million, one hundred thirty-five thousand, seven hundred forty-nine".