134402031 has 8 divisors (see below), whose sum is σ = 199114160. Its totient is φ = 89601336.

The previous prime is 134401987. The next prime is 134402033. The reversal of 134402031 is 130204431.

It is not a de Polignac number, because 134402031 - 2²³ = 126013423 is a prime.

It is a super-2 number, since 2×134402031² = 36127811873849922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134401995 and 134402013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134402033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488900 + ... + 2488953.

It is an arithmetic number, because the mean of its divisors is an integer number (24889270).

Almost surely, 2^134402031 is an apocalyptic number.

134402031 is a deficient number, since it is larger than the sum of its proper divisors (64712129).

134402031 is an equidigital number, since it uses as much as digits as its factorization.

134402031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977862 (or 4977856 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 134402031 is about 11593.1889918176. The cubic root of 134402031 is about 512.2342461966.

Adding to 134402031 its reverse (130204431), we get a palindrome (264606462).

It can be divided in two parts, 13 and 4402031, that added together give a palindrome (4402044).

The spelling of 134402031 in words is "one hundred thirty-four million, four hundred two thousand, thirty-one".