136742312 has 32 divisors (see below), whose sum is σ = 294326400. Its totient is φ = 58342464.

The previous prime is 136742311. The next prime is 136742321. The reversal of 136742312 is 213247631.

It is a happy number.

It is a super-2 number, since 2×136742312² = 37396919782210688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136742311) 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, 7493 + ... + 18155.

It is an arithmetic number, because the mean of its divisors is an integer number (9197700).

Almost surely, 2^136742312 is an apocalyptic number.

It is an amenable number.

136742312 is an abundant number, since it is smaller than the sum of its proper divisors (157584088).

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

136742312 is a wasteful number, since it uses less digits than its factorization.

136742312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10905 (or 10901 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 136742312 is about 11693.6868437632. The cubic root of 136742312 is about 515.1902549016.

Adding to 136742312 its reverse (213247631), we get a palindrome (349989943).

The spelling of 136742312 in words is "one hundred thirty-six million, seven hundred forty-two thousand, three hundred twelve".