1051379137 has 4 divisors (see below), whose sum is σ = 1087633620. Its totient is φ = 1015124656.

The previous prime is 1051379123. The next prime is 1051379149. The reversal of 1051379137 is 7319731501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 599221441 + 452157696 = 24479^2 + 21264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051379137 is a prime.

It is a super-2 number, since 2×1051379137² = 2210796179437729538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051379096 and 1051379105.

It is not an unprimeable number, because it can be changed into a prime (1051379437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18127198 + ... + 18127255.

It is an arithmetic number, because the mean of its divisors is an integer number (271908405).

Almost surely, 2^1051379137 is an apocalyptic number.

It is an amenable number.

1051379137 is a deficient number, since it is larger than the sum of its proper divisors (36254483).

1051379137 is an equidigital number, since it uses as much as digits as its factorization.

1051379137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36254482.

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 1051379137 is about 32424.9770547336. The cubic root of 1051379137 is about 1016.8411620701.

The spelling of 1051379137 in words is "one billion, fifty-one million, three hundred seventy-nine thousand, one hundred thirty-seven".