134435831 has 2 divisors, whose sum is σ = 134435832. Its totient is φ = 134435830.

The previous prime is 134435789. The next prime is 134435857. The reversal of 134435831 is 138534431.

134435831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134435831 - 2⁶ = 134435767 is a prime.

It is a super-2 number, since 2×134435831² = 36145985313321122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134435891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67217915 + 67217916.

It is an arithmetic number, because the mean of its divisors is an integer number (67217916).

Almost surely, 2^134435831 is an apocalyptic number.

134435831 is a deficient number, since it is larger than the sum of its proper divisors (1).

134435831 is an equidigital number, since it uses as much as digits as its factorization.

134435831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 134435831 is about 11594.6466526583. The cubic root of 134435831 is about 512.2771822203.

The spelling of 134435831 in words is "one hundred thirty-four million, four hundred thirty-five thousand, eight hundred thirty-one".