149137057 has 2 divisors, whose sum is σ = 149137058. Its totient is φ = 149137056.

The previous prime is 149136997. The next prime is 149137067. The reversal of 149137057 is 750731941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98883136 + 50253921 = 9944^2 + 7089^2 .

It is a cyclic number.

It is not a de Polignac number, because 149137057 - 2¹⁵ = 149104289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149137067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74568528 + 74568529.

It is an arithmetic number, because the mean of its divisors is an integer number (74568529).

Almost surely, 2^149137057 is an apocalyptic number.

It is an amenable number.

149137057 is a deficient number, since it is larger than the sum of its proper divisors (1).

149137057 is an equidigital number, since it uses as much as digits as its factorization.

149137057 is an odious number, because the sum of its binary digits is odd.

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

The square root of 149137057 is about 12212.1683987734. The cubic root of 149137057 is about 530.3084202267.

Adding to 149137057 its reverse (750731941), we get a palindrome (899868998).

The spelling of 149137057 in words is "one hundred forty-nine million, one hundred thirty-seven thousand, fifty-seven".