136402436 has 12 divisors (see below), whose sum is σ = 239657040. Its totient is φ = 67929000.

The previous prime is 136402433. The next prime is 136402439. The reversal of 136402436 is 634204631.

It is an interprime number because it is at equal distance from previous prime (136402433) and next prime (136402439).

It is a junction number, because it is equal to n+sod(n) for n = 136402399 and 136402408.

It is not an unprimeable number, because it can be changed into a prime (136402433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66926 + ... + 68933.

It is an arithmetic number, because the mean of its divisors is an integer number (19971420).

Almost surely, 2^136402436 is an apocalyptic number.

It is an amenable number.

136402436 is a deficient number, since it is larger than the sum of its proper divisors (103254604).

136402436 is a wasteful number, since it uses less digits than its factorization.

136402436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136114 (or 136112 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 136402436 is about 11679.1453454437. The cubic root of 136402436 is about 514.7630619003.

The spelling of 136402436 in words is "one hundred thirty-six million, four hundred two thousand, four hundred thirty-six".