2251137134 has 4 divisors (see below), whose sum is σ = 3376705704. Its totient is φ = 1125568566.

The previous prime is 2251137131. The next prime is 2251137149. The reversal of 2251137134 is 4317311522.

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

It is a junction number, because it is equal to n+sod(n) for n = 2251137097 and 2251137106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251137131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562784282 + ... + 562784285.

It is an arithmetic number, because the mean of its divisors is an integer number (844176426).

Almost surely, 2^2251137134 is an apocalyptic number.

2251137134 is a deficient number, since it is larger than the sum of its proper divisors (1125568570).

2251137134 is a wasteful number, since it uses less digits than its factorization.

2251137134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125568569.

The product of its digits is 5040, while the sum is 29.

The square root of 2251137134 is about 47446.1498332583. The cubic root of 2251137134 is about 1310.5914106037.

Adding to 2251137134 its reverse (4317311522), we get a palindrome (6568448656).

The spelling of 2251137134 in words is "two billion, two hundred fifty-one million, one hundred thirty-seven thousand, one hundred thirty-four".