156738034 has 4 divisors (see below), whose sum is σ = 235107054. Its totient is φ = 78369016.

The previous prime is 156738019. The next prime is 156738037. The reversal of 156738034 is 430837651.

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

It can be written as a sum of positive squares in only one way, i.e., 146337409 + 10400625 = 12097^2 + 3225^2 .

It is a super-2 number, since 2×156738034² = 49133622604370312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 156737984 and 156738002.

It is not an unprimeable number, because it can be changed into a prime (156738037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39184507 + ... + 39184510.

Almost surely, 2^156738034 is an apocalyptic number.

156738034 is a deficient number, since it is larger than the sum of its proper divisors (78369020).

156738034 is an equidigital number, since it uses as much as digits as its factorization.

156738034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78369019.

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

The square root of 156738034 is about 12519.5061404194. The cubic root of 156738034 is about 539.1688562853.

It can be divided in two parts, 1567 and 38034, that added together give a square (39601 = 199²).

The spelling of 156738034 in words is "one hundred fifty-six million, seven hundred thirty-eight thousand, thirty-four".