2140351354 has 4 divisors (see below), whose sum is σ = 3210527034. Its totient is φ = 1070175676.

The previous prime is 2140351309. The next prime is 2140351361. The reversal of 2140351354 is 4531530412.

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., 2020952025 + 119399329 = 44955^2 + 10927^2 .

It is a super-2 number, since 2×2140351354² = 9162207837139266632, 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, 535087837 + ... + 535087840.

Almost surely, 2^2140351354 is an apocalyptic number.

2140351354 is a deficient number, since it is larger than the sum of its proper divisors (1070175680).

2140351354 is a wasteful number, since it uses less digits than its factorization.

2140351354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070175679.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2140351354 is about 46263.9314585347. The cubic root of 2140351354 is about 1288.7292644465.

Adding to 2140351354 its reverse (4531530412), we get a palindrome (6671881766).

The spelling of 2140351354 in words is "two billion, one hundred forty million, three hundred fifty-one thousand, three hundred fifty-four".