136401550 has 24 divisors (see below), whose sum is σ = 261893952. Its totient is φ = 52800000.

The previous prime is 136401541. The next prime is 136401553. The reversal of 136401550 is 55104631.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136401553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42451 + ... + 45550.

It is an arithmetic number, because the mean of its divisors is an integer number (10912248).

Almost surely, 2^136401550 is an apocalyptic number.

136401550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136401550 is a deficient number, since it is larger than the sum of its proper divisors (125492402).

136401550 is a wasteful number, since it uses less digits than its factorization.

136401550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88044 (or 88039 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 136401550 is about 11679.1074145245. The cubic root of 136401550 is about 514.7619473526.

The spelling of 136401550 in words is "one hundred thirty-six million, four hundred one thousand, five hundred fifty".