83657134 has 16 divisors (see below), whose sum is σ = 137344896. Its totient is φ = 37900600.

The previous prime is 83657131. The next prime is 83657137. The reversal of 83657134 is 43175638.

It is an interprime number because it is at equal distance from previous prime (83657131) and next prime (83657137).

It is a junction number, because it is equal to n+sod(n) for n = 83657093 and 83657102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83657131) 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, 729 + ... + 12955.

It is an arithmetic number, because the mean of its divisors is an integer number (8584056).

Almost surely, 2^83657134 is an apocalyptic number.

83657134 is a deficient number, since it is larger than the sum of its proper divisors (53687762).

83657134 is a wasteful number, since it uses less digits than its factorization.

83657134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12551.

The product of its digits is 60480, while the sum is 37.

The square root of 83657134 is about 9146.4273899704. The cubic root of 83657134 is about 437.3552330821.

It can be divided in two parts, 836 and 57134, that added together give a triangular number (57970 = T₃₄₀).

The spelling of 83657134 in words is "eighty-three million, six hundred fifty-seven thousand, one hundred thirty-four".