1400434547 has 2 divisors, whose sum is σ = 1400434548. Its totient is φ = 1400434546.

The previous prime is 1400434543. The next prime is 1400434573. The reversal of 1400434547 is 7454340041.

It is a weak prime.

It is an emirp because it is prime and its reverse (7454340041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400434547 - 2² = 1400434543 is a prime.

It is a super-2 number, since 2×1400434547² = 3922433840862190418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1400434543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700217273 + 700217274.

It is an arithmetic number, because the mean of its divisors is an integer number (700217274).

Almost surely, 2^1400434547 is an apocalyptic number.

1400434547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400434547 is an equidigital number, since it uses as much as digits as its factorization.

1400434547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 1400434547 is about 37422.3802957535. The cubic root of 1400434547 is about 1118.8046736615.

Adding to 1400434547 its reverse (7454340041), we get a palindrome (8854774588).

The spelling of 1400434547 in words is "one billion, four hundred million, four hundred thirty-four thousand, five hundred forty-seven".