155732134 has 4 divisors (see below), whose sum is σ = 233598204. Its totient is φ = 77866066.

The previous prime is 155732131. The next prime is 155732173. The reversal of 155732134 is 431237551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 155732096 and 155732105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155732131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38933032 + ... + 38933035.

It is an arithmetic number, because the mean of its divisors is an integer number (58399551).

Almost surely, 2^155732134 is an apocalyptic number.

155732134 is a deficient number, since it is larger than the sum of its proper divisors (77866070).

155732134 is an equidigital number, since it uses as much as digits as its factorization.

155732134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77866069.

The product of its digits is 12600, while the sum is 31.

The square root of 155732134 is about 12479.2681676451. The cubic root of 155732134 is about 538.0129693810.

Adding to 155732134 its reverse (431237551), we get a palindrome (586969685).

The spelling of 155732134 in words is "one hundred fifty-five million, seven hundred thirty-two thousand, one hundred thirty-four".