2137149277 has 2 divisors, whose sum is σ = 2137149278. Its totient is φ = 2137149276.

The previous prime is 2137149253. The next prime is 2137149283. The reversal of 2137149277 is 7729417312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1289815396 + 847333881 = 35914^2 + 29109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2137149277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2137149227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068574638 + 1068574639.

It is an arithmetic number, because the mean of its divisors is an integer number (1068574639).

Almost surely, 2^2137149277 is an apocalyptic number.

It is an amenable number.

2137149277 is a deficient number, since it is larger than the sum of its proper divisors (1).

2137149277 is an equidigital number, since it uses as much as digits as its factorization.

2137149277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 43.

The square root of 2137149277 is about 46229.3118810999. The cubic root of 2137149277 is about 1288.0862750115.

The spelling of 2137149277 in words is "two billion, one hundred thirty-seven million, one hundred forty-nine thousand, two hundred seventy-seven".