1007687137 has 4 divisors (see below), whose sum is σ = 1024766640. Its totient is φ = 990607636.

The previous prime is 1007687129. The next prime is 1007687143. The reversal of 1007687137 is 7317867001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1007687137 - 2³ = 1007687129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1007687137.

It is not an unprimeable number, because it can be changed into a prime (1007687237) 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, 8539663 + ... + 8539780.

It is an arithmetic number, because the mean of its divisors is an integer number (256191660).

Almost surely, 2^1007687137 is an apocalyptic number.

It is an amenable number.

1007687137 is a deficient number, since it is larger than the sum of its proper divisors (17079503).

1007687137 is an equidigital number, since it uses as much as digits as its factorization.

1007687137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17079502.

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 1007687137 is about 31744.0882212736. The cubic root of 1007687137 is about 1002.5558411110. Note that the first 3 decimals are identical.

The spelling of 1007687137 in words is "one billion, seven million, six hundred eighty-seven thousand, one hundred thirty-seven".