136423470 has 32 divisors (see below), whose sum is σ = 346677408. Its totient is φ = 34239488.

The previous prime is 136423433. The next prime is 136423471. The reversal of 136423470 is 74324631.

It is a super-2 number, since 2×136423470² = 37222726333681800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136423471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133239 + ... + 134258.

It is an arithmetic number, because the mean of its divisors is an integer number (10833669).

Almost surely, 2^136423470 is an apocalyptic number.

136423470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136423470 is an abundant number, since it is smaller than the sum of its proper divisors (210253938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136423470 is a wasteful number, since it uses less digits than its factorization.

136423470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267524.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 136423470 is about 11680.0458047047. The cubic root of 136423470 is about 514.7895202981.

The spelling of 136423470 in words is "one hundred thirty-six million, four hundred twenty-three thousand, four hundred seventy".