136942 has 16 divisors (see below), whose sum is σ = 231840. Its totient is φ = 60192.

The previous prime is 136897. The next prime is 136943. The reversal of 136942 is 249631.

It is a super-2 number, since 2×136942² = 37506222728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136943) 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, 484 + ... + 712.

It is an arithmetic number, because the mean of its divisors is an integer number (14490).

2¹³⁶⁹⁴² is an apocalyptic number.

136942 is a deficient number, since it is larger than the sum of its proper divisors (94898).

136942 is a wasteful number, since it uses less digits than its factorization.

136942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267.

The product of its digits is 1296, while the sum is 25.

The square root of 136942 is about 370.0567524043. The cubic root of 136942 is about 51.5440914391.

The spelling of 136942 in words is "one hundred thirty-six thousand, nine hundred forty-two".