514140454 has 4 divisors (see below), whose sum is σ = 771210684. Its totient is φ = 257070226.

The previous prime is 514140433. The next prime is 514140461. The reversal of 514140454 is 454041415.

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

It is a super-2 number, since 2×514140454² = 528680812878652232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128535112 + ... + 128535115.

It is an arithmetic number, because the mean of its divisors is an integer number (192802671).

Almost surely, 2^514140454 is an apocalyptic number.

514140454 is a deficient number, since it is larger than the sum of its proper divisors (257070230).

514140454 is a wasteful number, since it uses less digits than its factorization.

514140454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257070229.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 514140454 is about 22674.6654661100. The cubic root of 514140454 is about 801.1132698608.

Adding to 514140454 its reverse (454041415), we get a palindrome (968181869).

The spelling of 514140454 in words is "five hundred fourteen million, one hundred forty thousand, four hundred fifty-four".