19070137 has 4 divisors (see below), whose sum is σ = 19169140. Its totient is φ = 18971136.

The previous prime is 19070131. The next prime is 19070147. The reversal of 19070137 is 73107091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73107091 = 73 ⋅1001467.

It can be written as a sum of positive squares in 2 ways, for example, as 2128681 + 16941456 = 1459^2 + 4116^2 .

It is a cyclic number.

It is not a de Polignac number, because 19070137 - 2¹¹ = 19068089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19070131) 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, 49212 + ... + 49597.

It is an arithmetic number, because the mean of its divisors is an integer number (4792285).

Almost surely, 2^19070137 is an apocalyptic number.

It is an amenable number.

19070137 is a deficient number, since it is larger than the sum of its proper divisors (99003).

19070137 is an equidigital number, since it uses as much as digits as its factorization.

19070137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99002.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 19070137 is about 4366.9367982603. The cubic root of 19070137 is about 267.1681014860.

The spelling of 19070137 in words is "nineteen million, seventy thousand, one hundred thirty-seven".