134206357 has 4 divisors (see below), whose sum is σ = 140041440. Its totient is φ = 128371276.

The previous prime is 134206321. The next prime is 134206399. The reversal of 134206357 is 753602431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 753602431 = 733 ⋅1028107.

It is a cyclic number.

It is not a de Polignac number, because 134206357 - 2¹¹ = 134204309 is a prime.

It is a super-2 number, since 2×134206357² = 36022692518422898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134206057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2917507 + ... + 2917552.

It is an arithmetic number, because the mean of its divisors is an integer number (35010360).

Almost surely, 2^134206357 is an apocalyptic number.

It is an amenable number.

134206357 is a deficient number, since it is larger than the sum of its proper divisors (5835083).

134206357 is an equidigital number, since it uses as much as digits as its factorization.

134206357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835082.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 134206357 is about 11584.7467387078. The cubic root of 134206357 is about 511.9855406175.

Adding to 134206357 its reverse (753602431), we get a palindrome (887808788).

The spelling of 134206357 in words is "one hundred thirty-four million, two hundred six thousand, three hundred fifty-seven".