2149130402 has 4 divisors (see below), whose sum is σ = 3223695606. Its totient is φ = 1074565200.

The previous prime is 2149130393. The next prime is 2149130447. The reversal of 2149130402 is 2040319412.

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

It can be written as a sum of positive squares in only one way, i.e., 2148229801 + 900601 = 46349^2 + 949^2 .

It is a super-2 number, since 2×2149130402² = 9237522969601363208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537282599 + ... + 537282602.

Almost surely, 2^2149130402 is an apocalyptic number.

2149130402 is a deficient number, since it is larger than the sum of its proper divisors (1074565204).

2149130402 is a wasteful number, since it uses less digits than its factorization.

2149130402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074565203.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2149130402 is about 46358.7144127186. The cubic root of 2149130402 is about 1290.4888482381.

Adding to 2149130402 its reverse (2040319412), we get a palindrome (4189449814).

The spelling of 2149130402 in words is "two billion, one hundred forty-nine million, one hundred thirty thousand, four hundred two".